Crystal form of oxopicolinamide derivative and preparation method therefor

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专利权人:

Jiangsu Hengrui Medicine Co.; Ltd.

发明人:

YANG, Junran,WANG, Lin,SHAO, Qiyun,DU, Zhenxing,WANG, Likun

申请号：

AU2019227332

公开号：

AU2019227332A1

申请日:

2019.02.26

申请国别(地区):

AU

年份:

2020

代理人:

摘要：

Provided are a crystal form of an oxopicolinamide derivative and a preparation method therefor. In particular, provided are crystal forms A, B, C, D, E, and F of a compound as shown in formula (I) and a preparation method therefor. Crystal forms A, B, C, D, E, and F of the compound of formula (I) obtained in the present disclosure have good crystal stability and chemical stability, and can be better used in clinical treatment.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/