Daclatasvir Impurity G

Chemical Name: Methyl ((S)-1-((S)-2-(4-(4'-(2-((S)-1-((methoxycarbonyl)-L-valyl)pyrrolidin-2-yl)-1H-imidazol-4-yl)-[1,1'-biphenyl]-4-yl)oxazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Smile: O=C(OC)N[C@@H](C(C)C)C(N1[C@@H](C2=NC(C3=CC=C(C4=CC=C(C5=CNC([C@@H]6N(C([C@@H](C(C)C)NC(OC)=O)=O)CCC6)=N5)C=C4)C=C3)=CO2)CCC1)=O