Cefoperazone Impurity 12

Chemical Name: (2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetyl)((7-oxo-5,7-dihydro-4H-furo[3,4-d][1,3]thiazin-1(2H)-yl)methyl)carbamic acid

Smile: O=C(O)N(C(C(NC(N1C(C(N(CC)CC1)=O)=O)=O)C2=CC=C(O)C=C2)=O)CN3CSCC4=C3C(OC4)=O