申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04640915A1
公开(公告)日:1987-02-03
Compounds of the formula [I] ##STR1## in which R.sup.1 is hydroxy, a protected hydroxy or lower alkoxy group, R.sup.2 is carboxy or an easily eliminable esterified carboxy group and R.sup.3 is pyridyl, and pharmaceutically acceptable salts thereof, having antimicrobial and .beta.-lactamase inhibiting properties, and pharmaceutical compositions containing the same.
式[I]中的化合物##STR1##其中R.sup.1是羟基、受保护的羟基或较低的烷氧基团,R.sup.2是羧基或易于消除的酯化羧基团,R.sup.3是吡啶基,及其药学上可接受的盐,具有抗微生物和β-内酰胺酶抑制性质,以及含有它们的药物组合物。