Oxacillin EP Impurity I

Chemical Name: (2S,5R,6R)-6-[[(2S,5R,6R)-3,3-Dimethyl-6-[[(5-methyl-3-phenylisoxazol-4-yl)carbonyl]amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (as per EP)

Synonym: 6-APA oxacillin amide

Smile: O=C1[C@](NC(C2=C(C)ON=C2C3=CC=CC=C3)=O)([H])[C@@]4([H])SC(C)(C)[C@@](C(N[C@@]5([H])[C@@]([H])(SC(C)(C)[C@@]6(C(O)=O)[H])N6C5=O)=O)([H])N14