发明授权
US4680390A Esters of 7-[2-(2-aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]-3-methyl-ceph- 3-em-4-carboxylic acid 失效
7- [2-(2-氨基噻唑-4-基)-2-(顺式) - 甲氧基亚氨基乙酰氨基] -3-甲基 - 头孢-3-烯-4-羧酸的酯

Esters of
7-[2-(2-aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]-3-methyl-ceph-
3-em-4-carboxylic acid
摘要:
The compounds are of the class of esters of 7-[2-(2-aminothiazol-4-yl-)-2-(syn)methoxyiminoacetamido] cephalosporin derivatives, including lower alkoxymethyl, .alpha.-lower alkoxy-.alpha.-substituted methyl, lower alkylthiomethyl, acyloxymethyl, ethoxycarbonyloxy-1-methylmethyl and .alpha.- acyloxy-.alpha.-substituted methyl esters. The compounds are useful against a broad spectrum of bacteria, particularly gram-negative bacteria, and may be administered in the form of injections, capsules, tablets and granules.
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