(R)-2-(2-aminothiazol-4-yl)-4'-[2-[(2-hydroxy-2-phenylethyl)amino]ethyl]acetanilide
benzhydryl 7β-[2-(2-formamidothiazol-4-yl)acetamido]-3-(5-methyl-1,3,4-thiadiazol-2-yl)thio-3-cephem-4-carboxylate
(6R,7R)-7-[2-(2-Formylamino-thiazol-4-yl)-acetylamino]-8-oxo-3-(4H-[1,2,4]triazol-3-ylsulfanyl)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
benzhydryl 7β-[2-(2-aminothiazol-4-yl)acetamido]-3-(5-methyl-1,3,4-thiadiazol-2-yl)thio-3-cephem-4-carboxylate
benzhydryl 7β-[2-(2-aminothiazol-4-yl)acetamido]-3-(1,2,4-triazol-3-yl)thio-3-cephem-4-carboxylate