Citalopram Dihydroxy Impurity

Citadiol Hydrobromide; Escitalopram - Impurity E (Hydrobromoide - Salt) (EP/BP); 4-[4-(Dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl]-3-(hydroxymethyl)-benzonitrile Hydrobromide; 4-[4-(Dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl]-3-(hydroxymethyl)benzonitrile Hydrobromide;4-[4-(Dimethylamino)-1-(4'-fluorophenyl)-1-[hydroxy]butyl]-3-(hydroxymethyl)benzonitrile Hydrobromide;