申请人:E. R. Squibb & Sons, Inc.
公开号:US04551277A1
公开(公告)日:1985-11-05
Antibacterial activity is exhibited by (3-acylamino)-2-azetidinones having in the 1-position a group of the formula ##STR1## or a salt or ester thereof wherein R.sub.5 and R.sub.6 are the same or different and each is hydrogen or alkyl.
具有抗菌活性的(3-酰胺基)-2-氮杂环己酮在1位上具有公式##STR1##的基团或其盐或酯,其中R.sub.5和R.sub.6相同或不同,且每个都是氢或烷基。