Compositions and methods for treating diseases in circulatory organs
申请人:Chugai Seiyaku Kabushiki Kaisha
公开号:US04438115A1
公开(公告)日:1984-03-20
An agent for treating diseases in circulatory organs which comprises a piperazine compound of the formula ##STR1## wherein R.sub.1, R.sub.2 and A are as defined hereunder, or a salt thereof and a pharmaceutically acceptable carrier.