Cefmetazole impurity 6/S-Methyl Cefmetazole/(6R-cis)-7-[[[(Cyanomethyl)thio]acetyl]amino]-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-7-(methylthio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Cefmetazole Impurity 4
CAS: 68576-47-6
Molecular Formula: C15H17N7O4S4