Abstract: An oxaspiro substituted pyrrolopyrazole derivative, an intermediate thereof, and a preparation method therefor.

Abstract: A substituted pyrazolo[1,5-alpyrimidin-7-amine derivative, the structure of which is represented by formula (1), or pharmaceutically acceptable salts, solvates, stereoisomers, prodrugs, drug compositions thereof. The derivative has significant CDK9-selective inhibitory activity.

Abstract: Provided is a heterocycle substituted ketone derivative, the structure of which is as shown in formula (I). Further provided are a pharmaceutically acceptable salt of the derivative, a stereoisomer thereof, a pharmaceutical composition and the medicinal use thereof.

Abstract: The present invention relates to a solid pharmaceutical preparation and a preparation method therefor. Specifically, disclosed are a solid pharmaceutical preparation that comprises an orexin receptor antagonist compound and a preparation method therefor, the solid pharmaceutical preparation comprising an active ingredient of a compound represented by formula I, a filler, a binder, a disintegrant, and a lubricant. The solid pharmaceutical preparation has good dissolution, stability and in vivo bioavailability.

Abstract: Provided is a substituted pyrimidine or pyridine amine derivative represented by formula (I), and a pharmaceutically acceptable salt, solvate, stereoisomer, prodrug, and pharmaceutical composition thereof, as well as medical application thereof. The derivative has significant adenosine A2A receptor and/or adenosine A2B receptor antagonistic activities.

Abstract: A traditional Chinese medicine composition for treating EGFR-TKIs related skin rash and a use thereof, characterized by comprising a therapeutically effective amount of the following components: honeysuckle, dandelion, radix sophorae flavescentis, Kochia scoparia, Dictamnus dasycarpus, tree peony root barks, Cortex Phellodendri, and peppermint. The traditional Chinese medicine composition for treating EGFR-TKIs related skin rash has a certain effect for the treatments of EGFR-TKIs related skin rash and paronychia. The raw materials coordinate with each other, thus can play medicinal effects to a maximum extent, thus significantly improving life quality of patients and prolonging survival period of patients. In addition, the traditional Chinese medicine composition also has advantages of non-toxic side effects and lower treatment cost.

Abstract: The present invention relates to a 1,2-dihydropyrrol[3,4-c]pyridin/pyrimidin-3-one derivative substituted by N-(3-aminophenyl)acrylamide and a preparation method and pharmaceutical use thereof. In particular, the present invention relates to a compound of formula (II) or a pharmaceutically acceptable salt, stereoisomer, solvate, or prodrug thereof and a preparation method and application of the same. The definition of each substituent in the formula is described in detail in the specification and claims.

Abstract: The present disclosure relates to 4,6,7-trisubstituted 1,2-dihydropyrrolo[3,4-c]pyridin/pyrimidin-3-one derivatives, and their preparations and medicinal use. Specifically, the present disclosure discloses a compound of formula (I) or a pharmaceutically acceptable salt, stereoisomer, solvate or prodrug thereof, and a preparation method and use thereof, wherein the definition of each group is as described in the specification and claims.

Abstract: Disclosed is a crystal form of dezocine. The X-ray powder diffraction (XRD) pattern thereof is determined using Cu/K-?1 and has diffraction peaks at the 2? value of 9.1±0.2 and 12.2±0.2, with the height % of these diffraction peaks greater than 20. Also disclosed are a preparation method for the crystal form, a pharmaceutical composition and use thereof. The crystal form of dezocine has good solubility, the preparation method has simple operations, good reproducibility, suitability for industrial production and the like.

Abstract: Disclosed are a preparation method of an orexin receptor antagonist compound 5-3. Crystalline forms I-IV of an orexin receptor antagonist compound 5-3 are provided. Also provided are processes of preparing crystalline forms of the orexin receptor antagonist compound 5-3, as well as methods of using the crystalline forms I-IV for treating an orexin-related disease.

Abstract: Disclosed is a preparation method of an orexin receptor antagonist compound 5-3. Crystalline forms I-IV of an orexin receptor antagonist compound 5-3 are provided. Also provided are processes of preparing crystalline forms of the orexin receptor antagonist compound 5-3, as well as methods of using the crystalline forms I-IV for treating an orexin-related disease.

Abstract: Disclosed is a preparation method of an orexin receptor antagonist compound 5-3. Crystalline forms I-IV of an orexin receptor antagonist compound 5-3 are provided. Also provided are processes of preparing crystalline forms of the orexin receptor antagonist compound 5-3, as well as methods of using the crystalline forms I-IV for treating an orexin-related disease.

Abstract: The present invention discloses an N-sulfonyl benzamide derivative with a heterocyclic substituent, and a preparation method therefor and a pharmaceutical application thereof. More specifically, the invention discloses a compound represented by formula (II) or a pharmaceutically acceptable salt, stereoisomer, solvent compound, or prodrug thereof, and a preparation method therefor and an application thereof. Refer to the specification for definitions of each group in the formula.

Abstract: The present invention relates to a sulfuryl-substituted benzoheterocyclic derivative, a preparation method and medical use thereof. Particularly, disclosed is a compound of formula (I) or a pharmaceutically acceptable salt, stereoisomer, solvate, or prodrug thereof, and a preparation method and application thereof. The definition of each group in the formula can be found in the specification and the claims.

Abstract: Disclosed is a preparation method of an orexin receptor antagonist compound 5-3. Crystalline forms I-IV of an orexin receptor antagonist compound 5-3 are provided. Also provided are processes of preparing crystalline forms of the orexin receptor antagonist compound 5-3, as well as methods of using the crystalline forms I-IV for treating an orexin-related disease.

Abstract: Disclosed are a preparation method of an orexin receptor antagonist compound 5-3, Crystalline forms I-IV of an orexin receptor antagonist compound 5-3 are provided. Also provided are processes of the preparing the orexin receptor antagonist compound 5-3 and its crystalline forms, as well as methods of using the crystalline forms I-IV for treating an orexin-related disease.

Abstract: Disclosed is a crystal form of dezocine. The X-ray powder diffraction (XRD) pattern thereof is determined using Cu/K-?1 and has diffraction peaks at the 2? value of 9.1±0.2 and 12.2±0.2, with the height % of these diffraction peaks greater than 20. Also disclosed are a preparation method for the crystal form, a pharmaceutical composition and use thereof. The crystal form of dezocine has good solubility, the preparation method has simple operations, good reproducibility, suitability for industrial production and the like.

Abstract: It is provided herein a benzobicycloalkane derivative, and a preparation method and use thereof. In particular, it is provided herein a compound of Formula (I), or a pharmaceutically acceptable salt, stereoisomer or solvate thereof, a preparation method, and a use thereof in preparation of drugs for treating pain.

Abstract: Provided is an EGFR inhibitor and a pharmaceutically acceptable salt and a polymorph thereof, and a use thereof. In particular, provided is a polymorph, a pharmaceutically acceptable salt or a prodrug of N-(2-(4-(dimethylamino)piperid-1-yl)-5-(5-fluoro-4-(1-methyl-1H-pyrazol-4-yl) pyrimidin-2-ylamino)-4-methoxy phenyl) acrylamide. In addition, also provided is a pharmaceutical composition containing the inhibitor and a use thereof.

Abstract: The present invention relates to a PI3K inhibitor, and a pharmaceutically acceptable salt, polycrystalline form, and application thereof. The invention specifically provides a polycrystalline form of 4-chloro-5-(6-(1-(methylsulfonyl)cyclopropyl)-2-morpholinopyrimidin-4-yl)pyridin-2-amine, a pharmaceutically acceptable salt thereof, or a polycrystalline form of the salt. The invention further discloses a pharmaceutical composition comprising the inhibitor and an application of the pharmaceutical composition.