(6R,7R);(6R,7R)-7-AMino-3-[(Z)-2-(4-Methylthiazol-5-yl)ethenyl]-3-cepheM-4-carboxylic Acid;7-AMTCA;7-ATCA;Parent nucleus of Cefditoren;(6R,7R)-7-Amino-3-[(1Z)-2-(4-methyl-5-thiazolyl)ethenyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;Parent nucleus of Cefditoren(7-AMTCA);(6R,2R)-7-aMino-3- (1z)-2-(4-M...