Oxacillin

Chemical Name: (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-carboxylic acid.(as per EP)

Smile: O=C([C@@H](C(C)(C)S[C@]1([H])[C@@H]2NC(C3=C(C)ON=C3C4=CC=CC=C4)=O)N1C2=O)O