Benzathine Benzylpenicillin

Chemical Name: 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]- (2S,5R,6R)-, compd. with N1,N2-bis(phenylmethyl)-1,2-ethanediamine (2:1)

Smile: OC([C@@H]1N(C2=O)[C@]([C@@H]2NC(CC3=CC=CC=C3)=O)([H])SC1(C)C)=O.C4(CNCCNCC5=CC=CC=C5)=CC=CC=C4