英文别名Citalopram Impurity 4; Citalopram EP Impurity B; 3-Hydroxy Citalopram; 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-hydroxy-3H-2-benzofuran-5-carbonitrile; Citalopram EP Impurity B (USP RC B); Citalopram EP Imp B; 1-[3-(DiMethylaMino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-3-hydroxy-5-isobenzofurancarbonitrile; Citalopram Hydrochloride EP Impurity B