Synonyms: 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-hydroxy-1,3-dihydroisobenzofuran-5-carbonitrile oxalate, 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-3-hydroxy-5-isobenzofurancarbonitrile ethanedioate (1:1), Citalopram Related Compound B as Oxalate, Citalopram Hydrobromide Impurity B as Oxalate, Escitalopram Oxalate Impurity B as Oxalate, Citalopram Impurity B as Oxalate, Escitalopram Impurity B as Oxalate