Alvimopan Impurity 5

Chemical Name: methyl (E)-2-(((3R,4S)-4-(3-hydroxyphenyl)-3,4-dimethyl-3,4-dihydropyridin-1(2H)-yl)methyl)-3-phenylacrylate hydrochloride

Synonym: Citalopram USP Related Compound C ; 3-[3-(Dimethylamino)-1-propyl](4-fluorophenyl)-6-cyano-1(3H)-isobenzofuranone ; 3-Oxo Citalopram ; 1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-3-oxo-1,3-dihydroisobenzofuran-5-carbonitrile

Smile: COC(/C(CN1C[C@H](C)[C@@](C2=CC=CC(O)=C2)(C)C=C1)=C/C3=CC=CC=C3)=O.Cl