申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04385176A1
公开(公告)日:1983-05-24
A compound of the formula ##STR1## wherein R.sup.1 is amino or substituted amino, R.sup.2 is carboxy or protected carboxy, R.sup.3 is lower alkyl and X is --S-- or ##STR2## or a pharmaceutically acceptable salt thereof is effective against various microorganisms.
式子为##STR1##的化合物,其中R.sup.1是氨基或取代氨基,R.sup.2是羧基或保护羧基,R.sup.3是低碳基,X是--S--或##STR2##,或其药学上可接受的盐,对各种微生物有效。