Ticagrelor Acetal Impurity

Chemical Name: 2-[[(1S,2S,3S,4R)-4-[7-[[(1R,2S)-2-(3,4-difluorophenyl)cyclopropyl]amino]-5-(propylsulfanyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl]-2,3-dihydroxycyclopentyl]oxy]ethyl acetate (as per EP)

Smile: CC(OCCO[C@@H]1[C@@H](O)[C@@H](O)[C@H](N2N=NC3=C(N[C@H]4[C@H](C5=CC=C(F)C(F)=C5)C4)N=C(SCCC)N=C32)C1)=O