Pyridyl substituted 7-.alpha.esters of 3 heterothio 7-acetamido
申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04001225A1
公开(公告)日:1977-01-04
This invention relates to new cephalosporanic acid derivatives and pharmaceutically acceptable salts thereof which possess antibacterial activity, pharmaceutical composition of the same and processes for the preparation thereof.
本发明涉及新的头孢菌素酸衍生物及其具有抗菌活性的药物可接受的盐,以及其制备的药物组合物和过程。
7(2-Phenyl or thienyl-2-isonicotinoyloxyacetamido)-3-(1-methyl-1-H
申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04085277A1
公开(公告)日:1978-04-18
This invention relates to cephalosporanic acid derivatives of the formula: ##STR1## where R.sub.1 is phenyl or thienyl, R.sub.2 is pyridyl and R.sub.3 is hydrogen or alkylthio, and pharmaceutically aceptable salts thereof, which possess antibacterial activity, pharmactical compositions of the same and processes for the preparation thereof.