(6R,7R)-3-(((1H-1,2,3-triazol-4-yl)thio)methyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;Cefoperazone Impurity D;7-Amino-3-(1,2,3-triazol-4-ylthio)methyl cephalosporanic acid;5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 7-amino-8-oxo-3-[(1H-1,2,3-triazol-4-ylthio)methyl]-, (6R,7R)- (9CI)
