Cephalosporin derivatives.

摘要

7-Beta[2-(2-amino-4-thiazolyl)-2-methoxyiminoacetamido]-3-(2-amino-1,3,4-thi a diazolyl-5-thiomethyl)-3-cepheme-4-carboxylic acid of formula (I):
<CHEM>
and the pharmaceutically acceptable salts and pivaloyloxymethyl ester thereof are useful as antibiotics.