ACETYLSALICYLIC ACID DERIVATIVE CRYSTAL, ITS PREPARATION METHOD AND USE

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专利权人:

Ltd;Zhejiang Yuejia Pharmaceuticals Co.

发明人:

Jing Zhang

申请号：

US16676575

公开号：

US20200123098A1

申请日:

2019.11.07

申请国别(地区):

US

年份:

2020

代理人:

摘要：

A disclosed are an acetylsalicylic acid derivative, i.e. a 2-(diethylamino)ethyl 2-acetoxy-benzoate hydrochloride crystal, and a preparation method and use thereof. The X-ray powder diffraction (XRPD) pattern of the crystal has characteristic peaks at the following 2θ angle: 11.0°±0.2°, 20.6°±0.2°, 25.1°±0.2°, 8.2°±0.2°, 16.5°±0.2°, 13.4°±0.2°, 25.4°±0.2°.

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中国工程科技知识中心

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