3-Heterothiomethyl-7-methoxy-7- tetrazolylmethylthioacetamid o-3- cephem derivatives-7-methoxy-7 - tetrazolylmethylthioacetamido-3-

摘要

7-Methoxy-7-tetrazolylmethylthioacetamido-3-cephem derivatives which have a heterothiomethyl substituent in the 3-position are novel compounds which are useful as antimicrobial agents.