Ritonavir 4R Epimer

Chemical Name: (S)-N-((2S,4R,5S)-5-(2-(2,6-dimethylphenoxy)acetamido)-4-hydroxy-1,6-diphenylhexan-2-yl)-3-methyl-2-(2-oxotetrahydropyrimidin-1(2H)-yl)butanamide

Smile: O=C(COC1=C(C)C=CC=C1C)N[C@@H](CC2=CC=CC=C2)[C@H](O)C[C@@H](NC([C@@H](N(CCCN3)C3=O)C(C)C)=O)CC4=CC=CC=C4