Citalopram Impurity 6;Escitalopram impurity 14;3-[(1RS)-5-Bromo-1-(4-fluorophenyl);Citalopram Related Compound H as Oxalate;Citalopram EP Impurity F (Oxalate salt form);Citalopram USP Related Compound H as Oxalate;Citalopram Hydrobromide EP Impurity F as Hydrogen Oxalate;5-Bromo-1-(4-fluorophenyl)-1,3-dihydro-N,N-dimethyl-1-isobenzofuranpropanamine ethanedioate (1:1);3-[(1RS)-5-bromo-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran- 1-yl]-N,N-dimethylpropan-1-amine;3-[(1RS)-5-bromo-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran- 1-yl]-N,N-dimethylpropan-1-amine oxalate