专利名称：Imidazole substituted benzoxazine or
benzothiazine derivatives
发明人：Moohi Y. Kim,Hyun T. Shin,Choon W.
Lee,Joon W. Kim,Soon H. Kim,YoungmoonChoi,Moon H. Son
申请号：US07/674183申请日：19910325公开号：US05171851A公开日：19921215
摘要：A benzoxazine or benzothiazine derivative of the formula (A), ##STR1## whereinR.sub.1, R.sub.2 and R.sub.3 are the same or different and represent a hydrogen atom or aC.sub.1-4 alkyl group; or R.sub.1 and R. sub.2 can be joined together along with theimidazole ring to form a benzimidazole; X and Y are the same or different and representan oxygen or sulfur atom; or a pharmaceutically acceptable salt thereof, exhibits anexcellent inotropic effect and can be used as a cardiac stimulant.
申请人：DONG-A PHARM. CO., LTD.
代理机构：Birch, Stewart, Kolasch & Birch
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