Abstract: Disclosed is a crystal form of an allyl-containing methylpyridopyrimidine compound, and specifically discloses a crystal form of a compound as shown in formula (I) and of a salt of the compound.

Abstract: Disclosed are a new class of antibacterial aminoglycoside derivatives, pharmaceutical compositions containing such compounds, and application thereof in the preparation of drugs for treating diseases related to bacterial infections. Specifically disclosed are a compound represented by formula (II), pharmaceutically acceptable salts thereof, and isomers thereof.

Abstract: A crystal form of an isochroman compound and a preparation method therefor. A compound as shown in formula (I) and an application of the compound in preparation of drugs for treating related diseases are specifically involved.

Abstract: An application of a compound represented by formula (I) and pharmaceutically acceptable salts thereof in preparation of a drug for treating pneumonia.

Abstract: Disclosed in the present invention is a new 11-oxo-7,11-dihydro-6h-benzo-[f]pyrido[1,2-d][1,4]azepine oxepin-10-carboxylic acid derivative serving as a hepatitis B virus surface antigen inhibitor. Specifically disclosed are a compound represented by formula (V) or a pharmaceutically acceptable salt thereof, and applications of the compound represented by formula (V) or the pharmaceutically acceptable salt thereof and a pharmaceutical composition thereof in the treatment of viral hepatitis B.

Abstract: The present invention provides indole-containing macrocyclic compounds and the uses thereof, and particularly relates to compounds represented by formula (II) or pharmaceutically acceptable salts thereof.

Abstract: Provided is an indole compound. In particular, disclosed are a compound represented by formula (II) or an isomer or pharmaceutically acceptable salt thereof and a use of the same as an estrogen receptor antagonist in preparing a drug for treating estrogen receptor-positive breast cancer.

Abstract: Disclosed are a non-fluorinated quinolone compound and use thereof, specifically relating to a compound represented by formula (II) and a pharmaceutically acceptable salt thereof.

Abstract: Disclosed are a pyrrolopyrazole spiro compound, and the use thereof in preparing a drug for treating related diseases. The present invention specifically relates to a compound as represented by formula (I?), and a stereoisomer and a pharmaceutically acceptable salt thereof.

Abstract: Disclosed are a pyrimidinyl group-containing tricyclic compound and applications thereof in preparing a cancer-treating medicament. Specifically disclosed are a compound as represented by formula (I), a pharmaceutically acceptable salt of same, or an isomer thereof.

Abstract: The present invention discloses a crystal form of a hepatitis B surface antigen inhibitor and a preparation method therefor, and also comprises the use of the crystal form in preparing the hepatitis B surface antigen inhibitor.

Abstract: Provided are a salt form of an estrogen receptor down-regulator, a crystalline form thereof, and a preparation method therefor

Abstract: The present invention relates to a structurally novel TLR8 (Toll-like receptor 8) agonist and, in particular, to a compound thereof of formula (I), a pharmaceutically acceptable salt and an isomer thereof.

Abstract: A TLR8 (Toll-like receptor 8) agonist, a compound of the structure shown in formula (I), an isomer thereof, or a pharmaceutically acceptable salt thereof.

Abstract: A bicyclic substituted aromatic carboxylic acid compound, in particular a compound as represented by formula (I) and a pharmaceutically acceptable salt thereof. In formula (I), R2 and R3 and atoms connected thereto together form a 3-6 membered heterocyclic group, or R2 and R4 and atoms connected thereto together form a 3-6 membered heterocyclic group. The compound has obvious inhibitory activity on activation of a human serum alternative pathway and significant binding activity to human complement Factor B protein, and also has relatively good in-vivo pharmacodynamic and pharmacokinetic properties.

Abstract: Disclosed are a class of macrocyclic derivatives, a preparation method therefor, a pharmaceutical composition containing the derivatives, and the use thereof as therapeutic agents, particularly as XIa factor inhibitors and in the preparation of a drug for treating and preventing thromboembolisms and other diseases. Particularly disclosed are compounds shown by formula (I), an isomer thereof and a pharmaceutically acceptable salt thereof.

Abstract: Disclosed is an aminopyrimidine compound as a CDK2/4/6 inhibitor, and specifically disclosed are the compound represented by formula (I) and a pharmaceutically acceptable salt thereof, and an application of the compound represented by formula (I) and the pharmaceutically acceptable salt thereof in the preparation of a medicament for treating solid tumor.

Abstract: The present invention relates to a series of substituted pyridine-2,4-dione derivatives and preparation methods therefor, and in particular, to a compound represented by formula (I) and a pharmaceutically acceptable salt thereof.

Abstract: An indoline compound. Specifically disclosed is an application of a compound represented by formula (I) and pharmaceutically acceptable salts thereof in the preparation of drugs for treating related diseases.

Abstract: A salt form of a tetra-substituted olefin compound, a crystal of the compound and the salt, and a preparation method relating to a crystal of a compound represented by formula (I), a salt thereof, a crystal of the salt thereof, and a preparation method therefor.