发明授权
US4431643A Syn-isomer of 3-substituted-7-[2-cyclopentyloxyimino-2-(2-aminothiazol-4-yl)-acetamido]- 3 失效
3-取代-7- [2-环戊氧基亚氨基-2-(2-氨基噻唑-4-基) - 乙酰氨基] -3-头孢烯-4-羧酸化合物的异构体

Syn-isomer of
3-substituted-7-[2-cyclopentyloxyimino-2-(2-aminothiazol-4-yl)-acetamido]-
3
摘要:
The present invention relates to new syn-isomers of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds, pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising the same, which have antibacterial activities in the treatment of infectious diseases in human beings and animals.
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