申请人:Takeda Chemical Industries, Ltd.
公开号:EP0422596A2
公开(公告)日:1991-04-17
A compound of the formula
wherein R¹ is a hydrogen atom or a hydrocarbon group which may be substituted; COOR² represents a carboxy group which may be esterified; and ring B is a cyclic group which may be substituted or a pharmaceutically acceptable salt thereof are useful as an antibacterial agent.
式中的化合物
其中 R¹ 是氢原子或可被取代的烃基;COOR² 代表可被酯化的羧基;环 B 是可被取代的环状基团或其药学上可接受的盐,可用作抗菌剂。