Avanafil Dimer Impurity

Chemical Name: N-(3-chloro-4-methoxybenzyl)-4-((3-chloro-4-methoxybenzyl)amino)-2-((S)-2-(hydroxymethyl)pyrrolidin-1-yl)-N-(2-((S)-2-(hydroxymethyl)pyrrolidin-1-yl)-5-((pyrimidin-2-ylmethyl)carbamoyl)pyrimidin-4-yl)pyrimidine-5-carboxamide

Smile: ClC1=C(OC)C=CC(CN(C2=NC(N3[C@H](CO)CCC3)=NC=C2C(NCC4=NC=CC=N4)=O)C(C5=C(NCC6=CC(Cl)=C(OC)C=C6)N=C(N7[C@H](CO)CCC7)N=C5)=O)=C1