Pyridone carboxylic acid derivatives and salts thereof, process for
申请人:Toyama Chemical Co., Ltd.
公开号:US04990508A1
公开(公告)日:1991-02-05
This invention relates to a novel pyridone carboxylic acid derivative having a substituted or unsubstituted cyclopropyl group at the 10-position of pyridobenzoxazine, pyridobenzothiazine or pyridoquinoxaline and a salt thereof, a process for the production thereof and an antibacterial agent comprising the same.