Abstract: Compounds of Formula I: and their pharmaceutically acceptable salts are useful for the inhibition of HIV reverse transcriptase. The compounds may also be useful for the prophylaxis or treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antiviral agents, immunomodulators, antibiotics or vaccines.

Abstract: Compounds of Formula I and pharmaceutically acceptable salts and co-crystals thereof are useful for the inhibition of HIV reverse transcriptase. The compounds may also be useful for the prophylaxis or treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antiviral agents, immunomodulators, antibiotics or vaccines.

Abstract: Compounds of Formula (I): (Formula (I)) and their pharmaceutically acceptable salts are useful for the inhibition of HIV reverse transcriptase. The compounds may also be useful for the prophylaxis or treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antiviral agents, immunomodulators, antibiotics or vaccines.

Abstract: Compounds of Formula I: and their pharmaceutically acceptable salts are useful for the inhibition of HIV reverse transcriptase. The compounds may also be useful for the prophylaxis or treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antiviral agents, immunomodulators, antibiotics or vaccines.

Abstract: Compounds of Formula (I): (Formula (I)) and their pharmaceutically acceptable salts are useful for the inhibition of HIV reverse transcriptase. The compounds may also be useful for the prophylaxis or treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antiviral agents, immunomodulators, antibiotics or vaccines.

Abstract: Compounds of Formula I and pharmaceutically acceptable salts and co-crystals thereof are useful for the inhibition of HIV reverse transcriptase. The compounds may also be useful for the prophylaxis or treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antiviral agents, immunomodulators, antibiotics or vaccines.

Abstract: The present invention relates to Fused Tricyclic Heterocycle Derivatives of Formula (I), and pharmaceutically acceptable salts thereof, wherein R1-R8, A, X and n are as defined herein. The present invention also relates to compositions comprising at least one Fused Tricyclic Heterocycle Derivative, and methods of using the Fused Tricyclic Heterocycle Derivatives for treating or preventing HIV infection in a subject.

Abstract: The present invention relates to Fused Tricyclic Heterocycle Derivatives of Formula (I), and pharmaceutically acceptable salts thereof, wherein R1-R8, A, X and n are as defined herein. The present invention also relates to compositions comprising at least one Fused Tricyclic Heterocycle Derivative, and methods of using the Fused Tricyclic Heterocycle Derivatives for treating or preventing HIV infection in a subject.

Abstract: The present invention is directed to 5-substituted 1,3-dihydro-2,1,3-benzothiadiazole 2,2-dioxide and 1,3-dihydro[1,2,5]thiadiazolo[3,4-b]pyridine 2,2,-dioxide derivatives which are potentiators of metabotropic glutamate receptors, particularly the mGluR2 receptor, and which are useful in the treatment or prevention of neurological and psychiatric disorders associated with glutamate dysfunction and diseases in which metabotropic glutamate receptors are involved. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which metabotropic glutamate receptors are involved.

Abstract: The present invention relates to Substituted Naphthyridinedione Derivatives and pharmaceutically acceptable salts thereof. The present invention also relates to compositions comprising at least one Substituted Naphthyridinedione Derivative, and methods of using the Substituted Naphthyridinedione Derivatives for treating or preventing HIV infection in a subject.

Abstract: The present invention is directed to aryloxymethyl cyclopropane derivatives which are useful as therapeutic agents for the treatment of central nervous system disorders associated with phosphodiesterase 10 (PDE10). The present invention also relates to the use of such compounds for treating neurological and psychiatric disorders, such as schizophrenia, psychosis or Huntington's disease, and those associated with striatal hypofunction or basal ganglia dysfunction.

Abstract: The present invention is directed to aryloxymethyl cyclopropane derivatives which are useful as therapeutic agents for the treatment of central nervous system disorders associated with phosphodiesterase 10 (PDE10). The present invention also relates to the use of such compounds for treating neurological and psychiatric disorders, such as schizophrenia, psychosis or Huntington's disease, and those associated with striatal hypofunction or basal ganglia dysfunction.

Abstract: The present invention is directed to AHCY inhibitors of formula (I): which are useful in the treatment of diseases characterized by high homocysteine levels, such as Alzheimer's disease. The invention is also directed to pharmaceutical compositions comprising the compounds, and to the use of the compounds and compositions in the treatment of diseases characterized by high homocysteine levels.

Abstract: The present invention is directed to 5-substituted 1,3-dihydro-2,1,3-benzothiadiazole 2,2-dioxide and 1,3-dihydro[1,2,5]thiadiazolo[3,4-b]pyridine 2,2,-dioxide derivatives which are potentiators of metabotropic glutamate receptors, particularly the mGluR2 receptor, and which are useful in the treatment or prevention of neurological and psychiatric disorders associated with glutamate dysfunction and diseases in which metabotropic glutamate receptors are involved. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which metabotropic glutamate receptors are involved.

Abstract: The present invention is directed to AHCY inhibitors of formula (I) which are useful in the treatment of diseases characterized by high homocysteine levels, such as Alzheimer's disease. The invention is also directed to pharmaceutical compositions comprising the compounds, and to the use of the compounds and compositions in the treatment of diseases characterized by high homocysteine levels.

Abstract: The present invention is directed to AHCY inhibitors of formula (I): which are useful in the treatment of diseases characterized by high homocysteine levels, such as Alzheimer's disease. The invention is also directed to pharmaceutical compositions comprising the compounds, and to the use of the compounds and compositions in the treatment of diseases characterized by high homocysteine levels.

Abstract: The present invention is directed to AHCY inhibitors of formula (I) which are useful in the treatment of diseases characterized by high homocysteine levels, such as Alzheimer's disease. The invention is also directed to pharmaceutical compositions comprising the compounds, and to the use of the compounds and compositions in the treatment of diseases characterized by high homocysteine levels.