申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04368325A1
公开(公告)日:1983-01-11
This invention relates to novel compounds of antimicrobial activity of the formula: ##STR1## wherein R.sup.1 is an aliphatic hydrocarbon group which may have suitable substituents, R.sup.2 is carboxy or protected carboxy, R.sup.5 is hydrogen or hydroxy, X.sup.1 and X.sup.2 are each halogen, and the dotted line represents cepham or cephem nucleus, or a salt thereof.
这项发明涉及一种具有抗微生物活性的新化合物,其化学式为:##STR1##其中R.sup.1是可能具有适当取代基的脂肪烃基,R.sup.2是羧基或保护羧基,R.sup.5是氢或羟基,X.sup.1和X.sup.2均为卤素,虚线代表头孢菌素或头孢烯核,或其盐。