Abstract: Provided in the present invention are a salt of an arylaminopurine derivative represented by Formula (2), a preparation method therefor and the use thereof. The salt obtained in the present invention has good crystallinity and significantly improved solubility relative to that in the free form, and the preferred salt and crystal form have low hygroscopicity and can exist stably. Therefore, compared with the free form of arylaminopurine derivatives or other salts, it is easier to prepare same into a medicine.

Abstract: The present application provides application of butylphthalide or optical isomer, prodrug, deuterium, metabolite, and ring-opening product or ring-opening product salt thereof in the preparation of a drug for preventing, alleviating, or treating peripheral neuropathy, especially chemotherapy-induced peripheral neuropathy, and a use method of butylphthalide and a derivative thereof in preventing or treating peripheral neuropathy, especially chemotherapy-induced peripheral neuropathy. In vivo and in vitro studies show that the drug of the present invention can effectively prevent, alleviate, or treat peripheral neuropathy caused by chemotherapy drugs without affecting the tumor-inhibiting efficacy and pharmacokinetic properties of the chemotherapy drugs.

Abstract: Provided are a quinazoline derivative, a pharmaceutical composition containing the same, a method for preparation of said derivative, and an application of same as an anti-cancer drug.

Abstract: The present invention relates to a benzamide derivative of general formula I, a drug composition containing same and a use thereof as a drug, wherein the definitions of R1, Z and Q are as described in the description.

Abstract: Provided are a quinazoline derivative, a pharmaceutical composition containing the same, a method for preparation of said derivative, and an application of same as an anti-cancer drug.

Abstract: Provided are a quinazoline derivative, a pharmaceutical composition containing the same, a method for preparation of said derivative, and an application of same as an anti-cancer drug.

Abstract: The present invention relates to a benzamide derivative of general formula I, a drug composition containing same and a use thereof as a drug, wherein the definitions of R1, Z and Q are as described in the description.

Abstract: Provided are a quinazoline derivative, a pharmaceutical composition containing the same, a method for preparation of said derivative, and an application of same as an anti-cancer drug.

Abstract: Provided is a crystalline form E of ertapenem sodium. Further provided is a method for preparing a crystalline form E of ertapenem sodium, characterized by using an aqueous ertapenem sodium solution at a low concentration as a raw material. The crystalline form E can be easily filtered and dried, the properties in the drying process are stable, and the purity of the crystal is high and can be up to 98.5% or higher.

Abstract: Provided is a crystalline form E of ertapenem sodium. Further provided is a method for preparing a crystalline form E of ertapenem sodium, characterized by using an aqueous ertapenem sodium solution at a low concentration as a raw material. The crystalline form E can be easily filtered and dried, the properties in the drying process are stable, and the purity of the crystal is high and can be up to 98.5% or higher.