Emtricitabine Impurity 22

Chemical Name: 4-amino-5-fluoro-1-((2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one compound with 4-amino-5-fluoro-1-((2S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one (1:1)

Smile: O=C1N([C@H]2O[C@H](CO)SC2)C=C(F)C(N)=N1.O=C3N([C@@H]4O[C@@H](CO)SC4)C=C(F)C(N)=N3