Talampicillin

Chemical Name: 3-oxo-1,3-dihydroisobenzofuran-1-yl (2S,5R,6R)-6-((R)-2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate

Smile: O=C([C@@H](C(C)(C)S[C@]1([H])[C@@H]2NC([C@H](N)C3=CC=CC=C3)=O)N1C2=O)OC4OC(C5=C4C=CC=C5)=O