Daclatasvir SRRR Isomer

Chemical Name: dimethyl (2S,2'R)-1,1'-((2R,2'R)-2,2'-(5,5'-(biphenyl-4,4'-diyl)bis(1H-imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate

Synonym: Sofosbuvir Alpha Chloro Impurity

Smile: O=C([C@@H](NC(OC)=O)C(C)C)N1CCC[C@@H]1C2=NC=C(N2)C3=CC=C(C4=CC=C(C5=CN=C([C@H]6CCCN6C([C@H](NC(OC)=O)C(C)C)=O)N5)C=C4)C=C3