Chemical Name: (2S,5R,6R)-6-[[(2R)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (as per EP)
Synonym: Ampicillin
Smiles: O=C(N[C@@]1([H])[C@](SC(C)(C)[C@]2([H])C(O)=O)([H])N2C1=O)[C@]([H])(N)C3=CC=CC=C3