Not Less Than - 95%
1-[3-(Dimethyloxidoamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofurancarbonitrile;1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl) -1,3-dihydro-5-isobenzofurancarbonitrile N1-Oxide; Citalopram Ep Impurity H