7-B((2,5)-2-(2-aminothiazol-4-yl)-2,4-formamido-acetamido)-3-((1,2,3-thiadiazol-5-yl-thiomethyl))-3-cephem-4-carboxylic acid
7-b((2,5)-2-(2-aminothiazol-4-yl)-2,4-formamido-acetamido)-3-((1,2,3-thiadiazol-5-yl-thiomethyl))-3-cephem-4-carboxylic acid