Synonyms:
7-amino-3-[(2-methyl-1,3,4-thiadiazol-5-ylthio)methyl]-3-cephem-4-carboxylic acid ; (7r)-7-amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl]-3-cephem-4-carboxylicacid ; 7-tda ; tda ; cefazolin ep impurity a ; 7-amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl]cephalosphoranic acid ; 7-amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)-thiomethyl]-cephalosporanic aci ; cefazolin impurity a ; 7-amino-3-([5-methyl-1,3,4-thiadiazol-2-yl] thiomethyl)-3-cephem-4-carboxylic acid ; parent nucleus of cefazedone (7-tda)