Abstract: The present invention relates to a deuterated 3-oxo-2,3-dihydropyridazine-4-carboxamide inhibitor, a preparation method therefor, and an application thereof. Specifically, the compound of the present invention has the structure shown in formula (I); also disclosed in the present invention are a preparation method for said compound and the use thereof as an AhR inhibitor; the compound of the present invention has a good selective inhibitory effect on AhR, and has better pharmacodynamics, pharmacokinetic properties, and lower toxic and side effects.

Abstract: The present invention relates to an aryl or heteroaryl pyridone or pyrimidine derivative, and a preparation method and use thereof. Specifically, the compounds of the present invention have a structure represented by formula (I). Further disclosed in the present invention are preparation methods for said compounds, and the use of said compounds as KRASG12C inhibitors. The compounds have an excellent ability to selectively inhibit KRASG12C, improved pharmacodynamic, pharmacokinetic performance, and reduced toxic side effects.

Abstract: The present invention relates to a pyridazinone or pyridazine compound and a derivative and a pharmaceutical composition thereof. Specifically, the present invention provides a pyridazinone or pyridazine compound as shown in formula (I) or (Ia), or a stereoisomer, tautomer, enantiomer, diastereoisomer, resonant body, pharmaceutically acceptable salt, hydrate, solvate, or crystal form thereof. The compound as shown in formula (I) or (Ia) has an excellent agonistic effect and pharmacodynamic property on a thyroid hormone ? receptor.

Abstract: Cycloalkyl and hetero-cycloalkyl inhibitors, preparation methods therefor, and the use thereof are described. Compounds of the present invention have a structure represented by formula (I). Further disclosed are preparation methods for said compounds, and the use of said compounds as KRASG12C inhibitors. The compounds have an excellent ability to selectively inhibit KRASG12C, improved pharmacodynamic and pharmacokinetic performance, and reduced toxic side effects.

Abstract: The present invention relates to an imidazoquinoline substituted phosphoric ester agonist, and a preparation therefor and an application thereof. Specifically, the compounds of the present invention have the structure shown in formula (I), wherein the definition of each group and substituent is as described in the description. Also disclosed in the present invention are a preparation method for the compound and use thereof as a TLR agonist.

Abstract: Cycloalkyl and hetero-cycloalkyl inhibitors, preparation methods therefor, and the use thereof are described. Compounds of the present invention have a structure represented by formula (I). Further disclosed are preparation methods for said compounds, and the use of said compounds as KRASG12C inhibitors. The compounds have an excellent ability to selectively inhibit KRASG12C, improved pharmacodynamic and pharmacokinetic performance, and reduced toxic side effects.

Abstract: The present invention relates to a method for preparing a chenodeoxycholic acid derivative. Particularly, disclosed is a method for carrying out one-pot reduction on a compound represented by Formula (VI), i.e., 3?-hydroxyl-ethidene-7-ketone-5?-chole-24-alkamide, to obtain a compound represented by Formula (V), i.e., 3?,7?-dyhydroxyl-6?-ethyl-5?-cholanic acid, and then carrying out salt formation crystallization to obtain a high-purity obeticholic acid sodium salt, a potassium salt, a magnesium salt, and a calcium salt.

Abstract: Provided are crystalline forms of a compound having an inhibitory effect on sodium-dependent glucose cotransporter SGLT2. The invention also provides pharmaceutical compositions, methods of preparing the crystalline compound, and methods of using the crystalline compound, independently or in combination with other therapeutic agents, for treating diseases and conditions which are affected by SGLT or SGLT2 inhibition.

Abstract: Provided are crystalline forms of a compound having an inhibitory effect on sodium-dependent glucose cotransporter SGLT2. The invention also provides pharmaceutical compositions, methods of preparing the crystalline compound, and methods of using the crystalline compound, independently or in combination with other therapeutic agents, for treating diseases and conditions which are affected by SGLT or SGLT2 inhibition.

Abstract: Deuterated diaminopyrimidine compounds, and intermediates thereof are described. In particular, disclosed are deuterated diaminopyrimidine compounds of formula (I), and pharmaceutical compositions containing such compounds or crystal forms, pharmaceutically acceptable salt, hydrates or solvates thereof. The disclosed deuterated diaminopyrimidine compounds can be used for treating and/or preventing protein kinase-associated diseases, such as cell proliferative disease, cancer, immune disease and the like.

Abstract: Disclosed are deuterated chenodeoxycholic acid derivatives and pharmaceutical compositions containing the deuterated chenodeoxycholic acid derivatives. In particular, disclosed is a deuterated chenodeoxycholic acid derivative of formula (I), or a crystal form, pharmaceutically acceptable salt, hydrate or solvate thereof, and a pharmaceutical composition containing the same. The deuterated chenodeoxycholic acid derivatives of formula (I) can be used to treat and/or prevent diseases related to the farnesoid X receptor (FXR) and/or G-protein coupled bile acid receptor, such as nonalcoholic steatohepatitis, nonalcoholic fatty liver diseases, gallstones, primary biliary cirrhosis, and cirrhosis.

Abstract: Provided are crystalline forms of a compound having an inhibitory effect on sodium-dependent glucose cotransporter SGLT2. The invention also provides pharmaceutical compositions, methods of preparing the crystalline compound, and methods of using the crystalline compound, independently or in combination with other therapeutic agents, for treating diseases and conditions which are affected by SGLT or SGLT2 inhibition.

Abstract: Deuterated quinazolinone compounds and pharmaceutical compositions containing such compounds are provided. In particular, deuterated quinazolinone compounds of formula (I) are provided, as well as pharmaceutical compositions containing such compounds or crystal form, pharmaceutically acceptable salts, hydrates or solvates thereof. The deuterated quinazolinone compounds of formula (I) can be used for treating and/or preventing PI3K kinase-associated diseases, such as cancer, cell proliferative diseases and the like.

Abstract: The present invention relates to a phenyl amino pyrimidine compound or a polymorph of a salt thereof, specifically, to N-(cyanomethyl)-4-(2-((4-(2?,2?,6?,6?-d4-morpholino)phenyl)amino)pyrimidin-4-yl)benzamide, or a pharmaceutically acceptable salt thereof, or a polymorph of a solvate thereof, that is, a compound shown in formula I or salt thereof, or a polymorph of a solvate thereof. The polymorph is suitable for preparing a pharmaceutical composition for suppressing non-receptor tyrosine kinases (such as JAK kinase).

Abstract: The present invention relates to a phenyl amino pyrimidine compound or a polymorph of a salt thereof, specifically, to N-(cyanomethyl)-4-(2-((2?,2?,6?,6?-d4-morpholino)pheny)amino)pyrimidin-4-yl)benzamide, or a pharmaceutically acceptable salt thereof, or a polymorph of a solvate thereof, that is, a compound shown in formula I or salt thereof, or a polymorph of a solvate thereof. The polymorph is suitable for preparing a pharmaceutical composition for suppressing non-receptor tyrosine kinases (such as JAK kinase).

Abstract: Provided are crystalline forms of a compound having an inhibitory effect on sodium-dependent glucose cotransporter SGLT2. The invention also provides pharmaceutical compositions, methods of preparing the crystalline compound, and methods of using the crystalline compound, independently or in combination with other therapeutic agents, for treating diseases and conditions which are affected by SGLT or SGLT2 inhibition.

Abstract: Deuterated diaminopyrimidine compounds, and intermediates thereof are described. In particular, disclosed are deuterated diaminopyrimidine compounds of formula (I), and pharmaceutical compositions containing such compounds or crystal forms, pharmaceutically acceptable salt, hydrates or solvates thereof. The disclosed deuterated diaminopyrimidine compounds can be used for treating and/or preventing protein kinase-associated diseases, such as cell proliferative disease, cancer, immune disease and the like.

Abstract: Disclosed are deuterated chenodeoxycholic acid derivatives and pharmaceutical compositions containing the deuterated chenodeoxycholic acid derivatives. In particular, disclosed is a deuterated chenodeoxycholic acid derivative of formula (I), or a crystal form, pharmaceutically acceptable salt, hydrate or solvate thereof, and a pharmaceutical composition containing the same. The deuterated chenodeoxycholic acid derivatives of formula (I) can be used to treat and/or prevent diseases related to the farnesoid X receptor (FXR) and/or G-protein coupled bile acid receptor, such as nonalcoholic steatohepatitis, nonalcoholic fatty liver diseases, gallstones, primary biliary cirrhosis, and cirrhosis.

Abstract: Provided are crystalline forms of a compound having an inhibitory effect on sodium-dependent glucose cotransporter SGLT2. The invention also provides pharmaceutical compositions, methods of preparing the crystalline compound, and methods of using the crystalline compound, independently or in combination with other therapeutic agents, for treating diseases and conditions which are affected by SGLT or SGLT2 inhibition.

Abstract: Deuterated diaminopyrimidine compounds and pharmaceutical compositions containing such compounds are described. In particular, disclosed are deuterated diaminopyrimidine compounds of formula (I), and pharmaceutical compositions containing such compounds or crystal forms, pharmaceutically acceptable salt, hydrates or solvates thereof. The disclosed deuterated diaminopyrimidine compounds can be used for treating and/or preventing protein kinase-associated diseases, such as cell proliferative disease, cancer, immune disease and the like.