Abstract: A bioactive substance conjugate, a preparation method therefor and the use thereof. The present invention relates to ligand drug conjugates, as represented by formula XV, a preparation method therefor, and the use thereof in the prevention and/or treatment of diseases related to cell activity abnormality, including, but not limited to, the use in the prevention and/or treatment of tumor diseases.

Abstract: The disclosure relates to a bioactive molecule conjugate, preparation methods and use thereof, particularly relates to a novel bioactive molecule conjugate obtained by improving coupling of the drug and the targeting moiety in an ADC or SMDC, as well as its preparation method and use in the manufacture of a medicament for the treatment of a disease associated with an abnormal cell activity.

Abstract: The present invention generally relates to an isoxazole derivative, a preparation therefor, and a use thereof. In particular, the present invention provides a farnesoid X receptor (FXR) agonist compound, and a stereoisomer, a tautomer, a polymorph, a solvate (e.g., a hydrate), a pharmaceutically acceptable salt, an ester, a metabolite, and an N-oxide, and the chemically protected forms and prodrugs thereof. The present invention further provides a preparation method for the compound, an intermediate thereof, and a pharmaceutical composition and kit containing the same and used thereof for treating FXR-mediated diseases or conditions.

Abstract: Provided are a pyrazole-containing polycyclic derivative inhibitor, a preparation method therefor and an application thereof. In particular, provided are a compound as represented by formula (I), a preparation method therefor, a pharmaceutical composition containing the compound, and an application thereof as a P2X3 inhibitor in treatment of P2X3 receptor function disorders, particularly in treatment of neurogenic diseases, wherein the substituents in the formula (I) are the same as those in the description in definition.

Abstract: Provided is a modifier of a four-membered ring derivative, a preparation method and application thereof. In particular, provided is a compound represented by the general formula (IX-A), a preparation method thereof, a pharmaceutical composition containing the compound, and a use thereof as a G protein-coupled receptor modulator in the treatment or prevention of central nervous system diseases and/or mental diseases. The definition of each substituents in the general formula (IX-A) is same as the definition in the specification.

Abstract: The present invention relates to heteroaromatic derivatives for use as a regulator, a preparation method therefor and a use thereof. In particular, disclosed are compounds represented by general formula (I), preparation methods therefor, pharmaceutical compositions comprising said compounds, and a use thereof as Janus kinase inhibitors in treating inflammatory diseases and tumor-related diseases.

Abstract: Provided are tetrahydroisoquinoline derivatives, the preparation and use thereof. More specifically, provided are the tetrahydroisoquinoline derivatives or a pharmaceutically acceptable salt, ester, stereoisomer, tautomer, polymorph, solvate, isotopically labeled compound, metabolite or prodrug thereof. Further provided are a preparation process of the compound, the intermediates, a pharmaceutical composition comprising the compound and the use thereof in the treatment or prevention of a thromboembolic disorder.

Abstract: The present invention relates to an indole derivative-containing inhibitor, a preparation method therefor and an application thereof, and in particular, to a compound as represented by general formula (Ia), a preparation method therefor, a pharmaceutical composition comprising the compound, and the use thereof in treating related diseases such as cancer, inflammation, chronic liver disease, diabetes, cardiovascular disease, and AIDS as a kinase inhibitor, especially as a receptor tyrosine kinase inhibitor (TKI), more specifically, as an EGFR or HER2 inhibitor. The compound exhibits good inhibitory activity in EGFR and HER2 20 exon mutations.

Abstract: Disclosed are a solid form of (E)-3-((R)-4-(((R)-6-(2-chloro-4-fluorophenyl)-5-(methoxycarbonyl)-2-(thiazol-2-yl)-3,6-dihydropyrimidin-4-yl)methyl)morpholin-2-yl)acrylic acid, a preparation method therefor, a pharmaceutical composition comprising same, and the use thereof in the preparation of drugs for preventing or treating viral diseases.

Abstract: Related is a nitrogen-containing benzoheterocycle compound containing a carboxylic acid group as shown in general formula (I), or a stereoisomer or pharmaceutically acceptable salt thereof. The compound has excellent pharmacokinetic properties and extremely remarkable liver targeting properties, and a pharmaceutical composition comprising the same may be used as a CCR antagonist, in particular a CCR2 and/or CCR5 antagonist and can be used in mediated disease, including, but not limited to, nonalcoholic fatty liver disease (NAFLD) or the like.

Abstract: A pharmaceutical composition comprising a 4?-thionucleoside phosphamide derivative or a pharmaceutically acceptable salt, ester, hydrate, solvate, and isomer thereof, any crystalline form thereof or racemate, metabolite, or a combination of a mixture thereof with other drugs, and a method and use thereof for disease treatment and/or prevention.

Abstract: Disclosed by the present invention are an aminopyridine compound, a preparation method therefor and a use thereof, which are specifically an aminopyridine compound represented by formula (I), a pharmaceutical composition containing same, a preparation method therefor and a use thereof in preventing or treating diseases related to adenosine A2a receptors.

Abstract: Provided is a method for modifying a chimeric antigen receptor-modified T cell (CAR-T cell). The method comprises expressing an SCFV-CDS TM-4-1BB-CD3? molecule in a T cell. The CAR-T cell prepared using the method can specifically recognize and bind to a tumor cell with elevated expression of a ROBO1 protein, and can be used to prevent and treat a corresponding tumor-related disease.

Abstract: The present application relates to a substituted aryl compound or a pharmaceutically acceptable salt, a stereoisomer, a polymorph, a solvate, a N-oxide, an isotope-labeled compound, a metabolite or a prodrug thereof, and a preparation method therefor and use thereof, also relates to a pharmaceutical composition containing the compound and a therapeutic use thereof. The compound or a pharmaceutical composition thereof can inhibit the activity of adenosine A2a receptor, and can be used for treating or preventing a disease related to adenosine A2a receptor, especially for treating a tumor.

Abstract: The present invention relates to compounds represented by formula (I) and formula (II) and a chiral synthesis and chiral isolation method therefor, further relating to a salt and crystal form of the compound represented by formula (I), a preparation method therefor, a pharmaceutical composition comprising the same, and use thereof in the preparation of a medicament used for the treatment of a viral infectious disease such as hepatitis B.

Abstract: The present invention relates to a method for prophylactically treating or treating a viral disease, comprising administering to a subject in need thereof a dihydropyrimidine compound, and the viral diseases include, but are not limited to, Hepatitis A, Hepatitis B, Hepatitis C, influenza, herpes and acquired immunodeficiency syndrome (AIDS).

Abstract: The invention relates to a polyamide compound and a use thereof. Specifically, the invention relates to a type of polyamide compound (which preferably comprise one or more amide bonds formed by condensation of same or different L-amino acids or D-amino acids), or stereoisomers, crystalline polymorphs, solvates, metabolites, prodrugs or pharmaceutically acceptable salts or esters thereof, or pharmaceutical compositions thereof, as well as a method for preparing the polyamide compound and a use thereof in the prevention or treatment of diseases associated with ?-opioid receptor. The polyamide compound of the invention has excellent ?-opioid receptor agonistic activity and hydrophilicity, thus having a lesser ability of penetrating the blood-brain barrier and a lower capacity for entering the brain.

Abstract: The present invention relates to compounds represented by formula (I) and formula (II) and a chiral synthesis and chiral isolation method therefor, further relating to a salt and crystal form of the compound represented by formula (I), a preparation method therefor, a pharmaceutical composition comprising the same, and use thereof in the preparation of a medicament used for the treatment of a viral infectious disease such as hepatitis B.

Abstract: The disclosure relates to a bioactive molecule conjugate, preparation methods and use thereof, particularly relates to a novel bioactive molecule conjugate obtained by improving coupling of the drug and the targeting moiety in an ADC or SMDC, as well as its preparation method and use in the manufacture of a medicament for the treatment of a disease associated with an abnormal cell activity.

Abstract: Provided are tetrahydroisoquinoline derivatives, the preparation and use thereof. More specifically, provided are the tetrahydroisoquinoline derivatives or a pharmaceutically acceptable salt, ester, stereoisomer, tautomer, polymorph, solvate, isotopically labeled compound, metabolite or prodrug thereof. Further provided are a preparation process of the compound, the intermediates, a pharmaceutical composition comprising the compound and the use thereof in the treatment or prevention of a thromboembolic disorder.