3-[3-(Dimethylamino)-1-Propyl](4-Fluorophenyl)-6-Cyano-1(3H)-Isobenzofuranone Oxalate

1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-3-oxo- 5-isobenzofurancarbonitrile; 3-Oxo Citalopram; 1-[3-(DiMethylaMino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-3-oxo-; CitalopraM EP IMpurity C; Citalopram Hydrochloride EP Impurity C (3-Oxo Citalopram); 1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-3-oxo-1,3-dihydroisobenzofuran-5-carbonitrile;3-Oxo Citalopram