Patents by Inventor Martin Quibell
Martin Quibell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240376046Abstract: The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt or hydrate thereof, Formula (I), wherein, the group X—Y is —NHSO2—; Z is a monocyclic or polycyclic cycloalkyl group or a monocyclic or polycyclic heterocycloalkyl group, each of which is optionally substituted by one or more groups selected from haloalkyl, alkyl, alkenyl, alkynyl and —(CR16R17)mR18, where m is 0 to 6; L is a direct bond or a group (CR14R15)n, where n is 1 or 2; R1 is H, CN, Cl or F or alkyl; R2 is selected from COOH and a tetrazolyl group; R3 is selected from H, halo, alkoxy and alkyl; R4 is selected from H and halo; R5 is selected from H, alkyl, haloalkyl, SO2-alkyl, Cl, alkoxy, OH, CN, hydroxyalkyl, alkylthio, heteroaryl, cycloalkyl, heterocycloalkyl and haloalkoxy; R6 is H; R7 is selected from H, CN, haloalkyl, halo, SO2-alkyl, SO2NR12R13, heteroaryl, CONR10R11 and alkyl, wherein said heteroaryl group is optionally substituted by one or more substituents selected from alkyl, halo, alkoxy, CN,Type: ApplicationFiled: July 29, 2022Publication date: November 14, 2024Inventors: Martin QUIBELL, Jason John SHIERS, John FEUTRILL
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Publication number: 20240366595Abstract: The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt or hydrate thereof, wherein: the group X—Y is —NHSO2— or —SO2NH—; Z is a monocyclic aryl or heteroaryl group, each of which is optionally substituted by one or more substituents selected from alkyl, cycloalkyl, halo, alkoxy, CN, haloalkyl and OH; R1 is H or alkyl; R2 is selected from COOH and a tetrazolyl group; R3 is selected from H, Cl and alkyl; R4 is selected from H and halo; R5 is selected from H, alkyl, haloalkyl, SO2-alkyl, Cl, alkoxy, OH, CN, hydroxyalkyl, alkylthio, heteroaryl, cycloalkyl, heterocycloalkyl and haloalkoxy; R6 is H; R7 is selected from H, CN, haloalkyl, halo, SO2-alkyl, SO2NR12R13, heteroaryl, CONR10R11 and alkyl, wherein said heteroaryl group is optionally substituted by one or more substituents selected from alkyl, halo, alkoxy, CN, haloalkyl and OH; R8 is selected from H, alkyl, haloalkyl and halo; and R9 is H, alkyl or halo; R10 and R11 are each independently H or alkyl; and R12Type: ApplicationFiled: April 29, 2024Publication date: November 7, 2024Inventors: Martin QUIBELL, Jason John SHIERS, Michael SPARENBERG
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Publication number: 20240300976Abstract: A compound of formula (I-1), or a pharmaceutically accept able salt or hydrate thereof, formula (I-1) wherein: ring A is a monocyclic 5, 6, or 7-membered heterocycloalkyl ring optionally substituted by one or more substituents selected from alkyl, CN, cycloalkyl, OH, alkoxy, halo, haloalkyl and heteroaryl, wherein said heteroaryl group is in turn optionally further substituted with one or more groups selected from halo and alkyl, and wherein one or two carbons in the 5, 6, or 7-membered heterocycloalkyl ring are optionally replaced by a group selected from O, NH, S and CO; L is a linker group which is a 2 to 7-membered saturated or unsaturated aliphatic group, wherein one or two carbon atoms in said group, other than the carbon atom directly bonded to ring A, are optionally replaced by a heteroatom-containing group selected from O, NH and S, and wherein when two carbon atoms are replaced, the heteroatom-containing groups are separated by at least two carbon atoms and the linker group is at least a 5-memberedType: ApplicationFiled: September 21, 2021Publication date: September 12, 2024Inventors: Martin QUIBELL, Jason John SHIERS, Michael SPARENBERG, Eleanor IVENS
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Patent number: 12023333Abstract: The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt or hydrate thereof, wherein: the group X—Y is —NHSO2— or —SO2NH—; Z is a monocyclic aryl or heteroaryl group, each of which is optionally substituted by one or more substituents selected from alkyl, cycloalkyl, halo, alkoxy, CN, haloalkyl and OH; R1 is H or alkyl; R2 is selected from COOH and a tetrazolyl group; R3 is selected from H, C land alkyl; R4 is selected from H and halo; R5 is selected from H, alkyl, haloalkyl, SO2-alkyl, Cl, alkoxy, OH, CN, hydroxyalkyl, alkylthio, heteroaryl, cycloalkyl, heterocycloalkyl and haloalkoxy; R6 is H; R7 is selected from H, CN, haloalkyl, halo, SO2-alkyl, SO2NR12R13, heteroaryl, CONR10R11 and alkyl, wherein said heteroaryl group is optionally substituted by one or more substituents selected from alkyl, halo, alkoxy, CN, haloalkyl and OH; R8 is selected from H, alkyl, haloalkyl and halo; and R9 is H, alkyl or halo; R10 and R11 are each independently H or alkyl; and R12 and R1Type: GrantFiled: May 7, 2020Date of Patent: July 2, 2024Assignee: GREY WOLF THERAPEUTICS LIMITEDInventors: Martin Quibell, Jason John Shiers, Michael Sparenberg
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Publication number: 20240132450Abstract: Disclosed are compounds of the formula (I) and pharmaceutically acceptable salts thereof: (I) wherein Ring A, Ring B, Ring C, R1, R2, R3, R4, R5, L, m, n, and p are as defined herein. The compounds are modulators of G-protein coupled receptor 88 (GPR88). Also disclosed are pharmaceutical compositions comprising the compounds; and the compounds for use in the treatment of diseases mediated by GPR88, including Tourette's Syndrome, Huntington's Disease (HD), Addiction, Parkinson's Disease (PD), Schizophrenia, Alzheimer's disease, and Attention Deficit Hyperactivity Disorder (ADHD).Type: ApplicationFiled: December 17, 2021Publication date: April 25, 2024Inventors: Martin Quibell, Tim Schulz-Utermoehl, Fraser Murray, Mark Pichowicz
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Publication number: 20230064417Abstract: The present invention relates to a compound of formula (Ia), or a pharmaceutically acceptable salt or hydrate thereof, wherein: the group X-Y is —NHSO2— or —SO2NH—; R1 is H or alkyl; R2 is selected from COOH and a tetrazolyl group; R3 is selected from H, Cl and alkyl; R4 is selected from H, Cl and F; R5 is selected from H, alkyl, alkynyl, alkenyl, haloalkyl, SO2-alkyl, Cl, alkoxy, OH, CN, hydroxyalkyl, alkylthio, heteroaryl, cycloalkyl, heterocycloalkyl and haloalkoxy; R6 is H; R7 is selected from H, CN, haloalkyl, Cl, F, SO2-alkyl, SO2NR13R14, optionally substituted heteroaryl and alkyl; R8 is selected from H, alkyl, haloalkyl and halo; R9 is H, C1-C3-alkyl, or halo; R10 and R11, together with the nitrogen to which they are attached, form an azepanyl group, wherein (a) said azepanyl group is substituted by one or more substituents, or (b) one or two carbons in said azepanyl group are replaced by a group selected from O, NH, S and CO, and said azepanyl group is optionally further substituted; or R10 and R11,Type: ApplicationFiled: November 22, 2019Publication date: March 2, 2023Inventors: Martin QUIBELL, Anil Lallubhai PATEL, Jason John SHIERS, Michael SPARENBERG, Peter Ian JOYCE
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Publication number: 20230000851Abstract: The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt or hydrate thereof, A compound of formula (I), or a pharmaceutically acceptable salt or hydrate thereof, (I) wherein: Z is a group of formula: (II) wherein P and Q are each independently CR12R13; or one of P and Q is NR14 and the other is CR12R13; the group X—Y is —NHSO2— or —SO2NH—; R1 is H, CN or alkyl; R2 is selected from COOH and a tetrazolyl group; R3 is selected from H, Cl and alkyl; R4 is selected from H and halo; R5 is selected from H, alkyl, haloalkyl, SO2-alkyl, Cl, alkoxy, OH, CN, hydroxyalkyl, alkylthio, heteroaryl, cycloalkyl, heterocycloalkyl and haloalkoxy; R6 is H; R7 is selected from H, CN, haloalkyl, halo, SO2-alkyl, heteroaryl, SO2NR16R17, CONR10R11 and alkyl, wherein said heteroaryl group is optionally substituted by one or more substituents selected from alkyl, halo, alkoxy, CN, haloalkyl and OH; R8 is selected from H, alkyl, haloalkyl and halo; R9 is H or halo; and R10, R11, R12, R13, R14, RType: ApplicationFiled: November 12, 2020Publication date: January 5, 2023Inventors: Martin QUIBELL, Michael SPARENBERG, Jason John SHIERS
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Publication number: 20220347176Abstract: The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt or hydrate thereof, wherein: the group X—Y is —NHSO2— or —SO2NH—; Z is a monocyclic aryl or heteroaryl group, each of which is optionally substituted by one or more substituents selected from alkyl, cycloalkyl, halo, alkoxy, CN, haloalkyl and OH; R1 is H or alkyl; R2 is selected from COOH and a tetrazolyl group; R3 is selected from H, C land alkyl; R4 is selected from H and halo; R5 is selected from H, alkyl, haloalkyl, SO2-alkyl, Cl, alkoxy, OH, CN, hydroxyalkyl, alkylthio, heteroaryl, cycloalkyl, heterocycloalkyl and haloalkoxy; R6 is H; R7 is selected from H, CN, haloalkyl, halo, SO2-alkyl, SO2NR12R13, heteroaryl, CONR10R11 and alkyl, wherein said heteroaryl group is optionally substituted by one or more substituents selected from alkyl, halo, alkoxy, CN, haloalkyl and OH; R8 is selected from H, alkyl, haloalkyl and halo; and R9 is H, alkyl or halo; R10 and R11 are each independently H or alkyl; and R12 and R1Type: ApplicationFiled: May 7, 2020Publication date: November 3, 2022Inventors: Martin QUIBELL, Jason John SHIERS, Michael SPARENBERG
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Publication number: 20220106595Abstract: The invention relates to improved ANTISENSE agents for the treatment of gram-negative bacterial infections. Compounds of the invention utilise an Antibiotic-Assisted Translocation; AAT? platform to improve influx into bacterial cells through enhanced permeability, providing improved intracellular exposure of the ANTISENSE AGENT and superior treatment of the infection.Type: ApplicationFiled: November 27, 2019Publication date: April 7, 2022Applicant: Pedanius Therapeutics LimitedInventors: Martin Quibell, Timothy Schulz-Utermoehl, Fraser Murray
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Publication number: 20160361295Abstract: A first aspect of the invention relates to a compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof, wherein: one of R3 and R4 is H, and the other is selected from C1-6-alkyl, C1-6-haloalkyl, C1-6-alkoxy, and C6-12-aralkyl; or R3 and R4 are each independently selected from C1-6-alkyl and halo; R9 is a substituted 5 or 6-membered aryl or heteroaryl group or a 6,5- or 6,6-fused biaryl or heterobiaryl group. Compounds of formula (I) exhibit surprisingly high efficacies for human cathepsin S, excellent selectivity verses other mammalian cathepsins and are useful for treatment of diseases such as rheumatoid arthritis, multiple sclerosis, myasthenia gravis, transplant rejection, diabetes, Sjogrens syndrome, Grave's disease, systemic lupus erythematosis, osteoarthritis, psoriasis, idiopathic thrombocytopenic purpura, allergic rhinitis, asthma, atherosclerosis, obesity, chronic obstructive pulmonary disease and chronic pain.Type: ApplicationFiled: August 24, 2016Publication date: December 15, 2016Inventors: Martin QUIBELL, John P. WATTS, Nicholas S. FLINN
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Publication number: 20160015685Abstract: A first aspect of the invention relates to a compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof, wherein: one of R3 and R4 is H, and the other is selected from C1-6-alkyl, C1-6-haloalkyl, C1-6-alkoxy, and C6-12-aralkyl; or R3 and R4 are each independently selected from C1-6-alkyl and halo; R9 is a substituted 5 or 6-membered aryl or heteroaryl group or a 6,5- or 6,6-fused biaryl or heterobiaryl group. Compounds of formula (I) exhibit surprisingly high efficacies for human cathepsin S, excellent selectivity verses other mammalian cathepsins and are useful for treatment of diseases such as rheumatoid arthritis, multiple sclerosis, myasthenia gravis, transplant rejection, diabetes, Sjogrens syndrome, Grave's disease, systemic lupus erythematosis, osteoarthritis, psoriasis, idiopathic thrombocytopenic purpura, allergic rhinitis, asthma, atherosclerosis, obesity, chronic obstructive pulmonary disease and chronic pain.Type: ApplicationFiled: September 30, 2015Publication date: January 21, 2016Inventors: Martin Quibell, John Paul Watts, Nicholas Sean Flinn
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Publication number: 20150209349Abstract: A compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof, wherein one of R1 and R2 is H, and the other is selected from C1-8-alkyl, C3-6-cycloalkyl and C1-8-alkyl-C5-10-aryl; R3 is selected from tert-butylmethyl, iso-propylmethyl, sec-butyl, tert-butyl, cyclopentyl, cyclohexyl and 1-methylcyclopentyl; R9 is selected from the following: wherein: R4 is selected from C1-8-alkyl and C3-8-cycloalkyl; G is selected from: CH, CMe and N; E is selected from: O, S, SO2, NH, NMe and N-oxide (N?O); J and R are independently selected from: CH, N and N-oxide (N?O); and R41 is selected from amino, methylamino, dimethylamino, isopropylamino, isopropyl(methyl)amino, cyclopropylamino, cyclopropyl (methyl) amino, cyclopentylamino, morpholino, piperidin-1-yl, piperidin-1-ylmethyl, morpholinomethyl, 4-methylpiperazin-1-yl, 4-(2-methoxyethyl)piperazin-1-yl, 1-morpholino ethyl, 1-(dimethyl amino)ethyl, 1-(methyl amino)ethyl, 4-fluoro-1-methylpyrrolidin-2-yl, 4,4-difluoropiperiType: ApplicationFiled: April 10, 2015Publication date: July 30, 2015Inventors: Martin Quibell, John P. Watts
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Publication number: 20150164912Abstract: A first aspect of the invention relates to a compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof, wherein: one of R3 and R4 is H, and the other is selected from C1-6-alkyl, C1-6-haloalkyl, C1-6-alkoxy, and C6-12-aralkyl; or R3 and R4 are each independently selected from C1-6-alkyl and halo; R9 is a substituted 5 or 6-membered aryl or heteroaryl group or a 6,5- or 6,6-fused biaryl or heterobiaryl group. Compounds of formula (I) exhibit surprisingly high efficacies for human cathepsin S, excellent selectivity verses other mammalian cathepsins and are useful for treatment of diseases such as rheumatoid arthritis, multiple sclerosis, myasthenia gravis, transplant rejection, diabetes, Sjogrens syndrome, Grave's disease, systemic lupus erythematosis, osteoarthritis, psoriasis, idiopathic thrombocytopenic purpura, allergic rhinitis, asthma, atherosclerosis, obesity, chronic obstructive pulmonary disease and chronic pain.Type: ApplicationFiled: November 7, 2014Publication date: June 18, 2015Inventors: Martin Quibell, John Paul Watts, Nicholas Sean Flinn
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Patent number: 9045492Abstract: A compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof, wherein one of R1 and R2 is H, and the other is selected from C1-8-alkyl, C3-6-cycloalkyl and C1-8-alkyl-C5-10-aryl; R3 is selected from tert-butylmethyl, iso-propylmethyl, sec-butyl, tert-butyl, cyclopentyl, cyclohexyl and 1-methylcyclopentyl; R9 is selected from the following: wherein: R4 is selected from C1-8-alkyl and C3-8-cycloalkyl; G is selected from: CH, CMe and N; E is selected from: O, S, SO2, NH, NMe and N-oxide (N?O); J and R are independently selected from: CH, N and N-oxide (N?O); and R41 is selected from amino, methylamino, dimethylamino, isopropylamino, isopropyl(methyl)amino, cyclopropylamino, cyclopropyl(methyl)amino, cyclopentylamino, morpholino, piperidin-1-yl, piperidin-1-ylmethyl, morpholinomethyl, 4-methylpiperazin-1-yl, 4-(2-methoxyethyl)piperazin-1-yl, 1-morpholinoethyl, 1-(dimethylamino)ethyl, 1-(methylamino)ethyl, 4-fluoro-1-methylpyrrolidin-2-yl, 4,4-difluoropiperidin-Type: GrantFiled: May 23, 2013Date of Patent: June 2, 2015Assignee: Amura Therapeutics LimitedInventors: Martin Quibell, John P. Watts
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Patent number: 8933109Abstract: A first aspect of the invention relates to a compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof, wherein: one of R3 and R4 is H, and the other is selected from C1-6-alkyl, C1-6-haloalkyl, C1-6-alkoxy, and C6-12-aralkyl; or R3 and R4 are each independently selected from C1-6-alkyl and halo; R9 is a substituted 5 or 6-membered aryl or heteroaryl group or a 6,5- or 6,6-fused biaryl or heterobiaryl group. Compounds of formula (I) exhibit surprisingly high efficacies for human cathepsin S, excellent selectivity verses other mammalian cathepsins and are useful for treatment of diseases such as rheumatoid arthritis, multiple sclerosis, myasthenia gravis, transplant rejection, diabetes, Sjogrens syndrome, Grave's disease, systemic lupus erythematosis, osteoarthritis, psoriasis, idiopathic thrombocytopenic purpura, allergic rhinitis, asthma, atherosclerosis, obesity, chronic obstructive pulmonary disease and chronic pain.Type: GrantFiled: October 4, 2013Date of Patent: January 13, 2015Assignee: Amura LimitedInventors: Martin Quibell, John Paul Watts, Nicholas Sean Flinn
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Patent number: 8877927Abstract: The present invention relates to compounds of formula (I), and pharmaceutically acceptable salts thereof, A compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof (I), wherein: one of R1 and R2 is H, and the other is selected from F and Cl, or R1 and R2 are both F; R3 is selected from cyclopentyl and cyclohexyl; R4 is an optionally substituted 5- or 6-membered monocyclic or an 8- to 10-membered bicyclic aryl or heteroaryl ring which includes up to four heteroatoms. The invention further relates to pharmaceutical compositions comprising compounds of formula (I), and the use of such compounds in the treatment of a disease selected from osteoporosis, Paget's disease, Chagas's disease, malaria, gingival diseases, hypercalaemia, metabolic bone disease, diseases involving matrix or cartilage degradation, and bone cancer disorders such as bone metastases and associated pain.Type: GrantFiled: January 8, 2009Date of Patent: November 4, 2014Assignee: Grunenthal GmbHInventors: Martin Quibell, John Paul Watts
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Publication number: 20140038944Abstract: A first aspect of the invention relates to a compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof, wherein: one of R3 and R4 is H, and the other is selected from C1-6-alkyl, C1-6-haloalkyl, C1-6-alkoxy, and C6-12-aralkyl; or R3 and R4 are each independently selected from C1-6-alkyl and halo; R9 is a substituted 5 or 6-membered aryl or heteroaryl group or a 6,5- or 6,6-fused biaryl or heterobiaryl group. Compounds of formula (I) exhibit surprisingly high efficacies for human cathepsin S, excellent selectivity verses other mammalian cathepsins and are useful for treatment of diseases such as rheumatoid arthritis, multiple sclerosis, myasthenia gravis, transplant rejection, diabetes, Sjogrens syndrome, Grave's disease, systemic lupus erythematosis, osteoarthritis, psoriasis, idiopathic thrombocytopenic purpura, allergic rhinitis, asthma, atherosclerosis, obesity, chronic obstructive pulmonary disease and chronic pain.Type: ApplicationFiled: October 4, 2013Publication date: February 6, 2014Applicant: Amura Therapeutics LimitedInventors: Martin Quibell, John Paul Watts, Nicholas Sean Flinn
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Patent number: 8552202Abstract: A first aspect of the invention relates to a compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof, wherein: one of R3 and R4 is H, and the other is selected from C1-6-alkyl, C1-6-haloalkyl, C1-6-alkoxy, and C6-12-aralkyl; or R3 and R4 are each independently selected from C1-6-alkyl and halo; R9 is a substituted 5 or 6-membered aryl or heteroaryl group or a 6,5- or 6,6-fused biaryl or heterobiaryl group. Compounds of formula (I) exhibit surprisingly high efficacies for human cathepsin S, excellent selectivity verses other mammalian cathepsins and are useful for treatment of diseases such as rheumatoid arthritis, multiple sclerosis, myasthenia gravis, transplant rejection, diabetes, Sjogrens syndrome, Grave's disease, systemic lupus erythematosis, osteoarthritis, psoriasis, idiopathic thrombocytopenic purpura, allergic rhinitis, asthma, atherosclerosis, obesity, chronic obstructive pulmonary disease and chronic pain.Type: GrantFiled: January 18, 2013Date of Patent: October 8, 2013Assignee: Amura Therapeutics LimitedInventors: Martin Quibell, John Paul Watts, Nicholas Sean Flinn
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Publication number: 20130252969Abstract: A compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof, wherein one of R1 and R2 is H, and the other is selected from C1-8-alkyl, C3-6-cycloalkyl and C1-8-alkyl-C5-10-aryl; R3 is selected from tert-butylmethyl, iso-propylmethyl, sec-butyl, tert-butyl, cyclopentyl, cyclohexyl and 1-methylcyclopentyl; R9 is selected from the following: wherein: R4 is selected from C1-8-alkyl and C3-8-cycloalkyl; G is selected from: CH, CMe and N; E is selected from: O, S, SO2, NH, NMe and N-oxide (N?O); J and R are independently selected from: CH, N and N-oxide (N?O); and R41 is selected from amino, methylamino, dimethylamino, isopropylamino, isopropyl(methyl)amino, cyclopropylamino, cyclopropyl(methyl)amino, cyclopentylamino, morpholino, piperidin-1-yl, piperidin-1-ylmethyl, morpholinomethyl, 4-methylpiperazin-1-yl, 4-(2-methoxyethyl)piperazin-1-yl, 1-morpholinoethyl, 1-(dimethylamino)ethyl, 1-(methylamino)ethyl, 4-fluoro-1-methylpyrrolidin-2-yl, 4,4-difluoropiperidin-Type: ApplicationFiled: May 23, 2013Publication date: September 26, 2013Applicant: Amura Therapeutics LimitedInventors: Martin Quibell, John P. Watts
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Patent number: 8501744Abstract: A compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof, wherein one of R1 and R2 is H, and the other is selected from C1-8-alkyl, C3-6-cycloalkyl and C1-8-alkyl-C5-10-aryl; R3 is selected from tert-butylmethyl, iso-propylmethyl, sec-butyl, tert-butyl, cyclopentyl, cyclohexyl and 1-methylcyclopentyl; R9 is selected from the following: wherein: R4 is selected from C1-8-alkyl and C3-8-cycloalkyl; G is selected from: CH, CMe and N; E is selected from: O, S, SO2, NH, NMe and N-oxide (N?O); J and R are independently selected from: CH, N and N-oxide (N?O); and R41 is selected from amino, methylamino, dimethylamino, isopropylamino, isopropyl(methyl)amino, cyclopropylamino, cyclopropyl(methyl)amino, cyclopentylamino, morpholino, piperidin-1-yl, piperidin-1-ylmethyl, morpholinomethyl, 4-methylpiperazin-1-yl, 4-(2-methoxyethyl)piperazin-1-yl, 1-morpholinoethyl, 1-(dimethylamino)ethyl, 1-(methylamino)ethyl, 4-fluoro-1-methylpyrrolidin-2-yl, 4,4-difluoropiperidin-1Type: GrantFiled: June 25, 2010Date of Patent: August 6, 2013Assignee: Amura Therapeutics, LimitedInventors: Martin Quibell, John Paul Watts