SUBSTANCE POLYMORPHE DE CHLORHYDRATE DE YONKENAFIL, SON PROCEDE DE PREPARATION, COMPOSITION A BASE DE LADITE SUBSTANCE ET UTILISATION DELADITE SUBSTANCE

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专利权人:

LTD.;YANGTZE RIVER PHARMACEUTICAL GROUP CO.

发明人:

ZHANG, HAIBO,CHEN, LINGWU,LU, XIANFENG,LIANG, HUIXING,WANG, YONGFENG,SHI, LIANYONG,LUO, HONGPENG

申请号：

CA2971484

公开号：

CA2971484C

申请日:

2015.11.19

申请国别(地区):

CA

年份:

2019

代理人:

摘要：

The present application discloses an A-form polymorphic substance ofyonkenafilhydrochloride and a preparation method, a composition and use thereof. Thepowderdiffraction pattern of the A-form polymorphic substance of yonkenafilhydrochloridecomprises diffraction peaks at three or more 20 values selected from: 8.40.2°, 11.3 0.2°,13.9 0.2°, 14.2 0.2°, 14.7 0.2°, 16.80.2°, 17.1 0.2°, 19.7 0.2°, 21.0 0.2°, 21.70.2°, 22.4 0.2°, 23.3 0.2°, 23.8 0.2°, 26.80.2°, 27.5 0.2°, 28.0 0.2°.

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