Cefmetazole

Chemical Name: (6R,7S)-7-[[2-[(Cyanomethyl)thio]acetyl]amino]-7-methoxy-3-[[(1-methyl -1H-tetrazol-5-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene -2-carboxylic Acid

Smile: O=C(C(N12)=C(CSC3=NN=NN3C)CS[C@]2([H])[C@](OC)(NC(CSCC#N)=O)C1=O)O