Chemical Name: (S)-1-((4R,7S,10S,13S,16R)-7-(2-amino-2-oxoethyl)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)-N-((S)-2-oxopiperidin-3-yl)pyrrolidine-2-carboxamide
Synonym: Donepezil Pyridine Impurity; Donepezil Pyridine Impurity ; 5,6-Dimethoxy-2-(pyridin-4-ylmethyl)indan-1-one ;
Smile: O=C(CCSSC[C@@H](C(N1CCC[C@H]1C(N[C@@H]2C(NCCC2)=O)=O)=O)NC3=O)N[C@@H](C(N[C@]([C@@H](C)CC)([H])C(N[C@@](C(N[C@H]3CC(N)=O)=O)([H])[C@H](O)C)=O)=O)CC4=CC=C(OCC)C=C4