Liaoning Emmy Biological Pharmaceutical Co., Ltd.;Shenyang Emmy Pharmaceutical Research Institute Co., Ltd.
发明人:
Yan Zhou,Lirong Zhang,Jie Zhou,Xin Zhou
申请号:
US14647408
公开号:
US09415047B2
申请日:
2013.11.25
申请国别(地区):
US
年份:
2016
代理人:
摘要:
This invention relates to the use of a compound in formula (I) and its salts acceptable pharmaceutically in preparation of vasodilative drugs:Wherein, R1, R2, X, Y, A and B are defined in the invention.