Cephalosporin compounds having 2-(2-aminothiazol-4-yl)-2(1S)-carboxyethoxyimino}acetyl group on the side chain at the 7-position thereof and 1-ethylpyridinium-4-ylthiomethyl group on the side chain at the 3-position thereof or non-toxic salts thereof are excellent antibacterial agents for mammals including human. The cephalosporin derivatives have low toxicity.
头孢菌素化合物,其在7位侧链上具有2-(
2-氨基噻唑-4-基)-2(1S)-羧乙氧基亚
氨基}乙酰基团,在3位侧链上具有1-
乙基吡啶鎓-4-基
硫甲基团,或其非毒性盐,是对包括人类在内的哺乳动物的优秀抗菌剂。这些
头孢菌素衍
生物具有低毒性。