申请人:Tanabe Seiyaku Co., Ltd.
公开号:US04579854A1
公开(公告)日:1986-04-01
A novel carbostyril derivative of the formula: ##STR1## or a pharmaceutically acceptable acid addition salt thereof, and a process for preparing same. The compound (I) shows potent bronchodilating activity and is useful as a bronchodilator.
一种新型喹诺酮衍生物,其化学式为:##STR1##或其药学上可接受的酸加成盐,以及制备该化合物的方法。化合物(I)显示出强效的支气管扩张活性,并可作为支气管扩张剂使用。