英文别名Citalopram EP Impurity C; 3-Oxo Citalopram; 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-oxo-2-benzofuran-5-carbonitrile; 1-(3-Dimethylamino-propyl)-1-(4-fluoro-phenyl)-3-oxo-1,3-dihydro-isobenzofuran-5-carbonitrile; 1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-3-oxo-5-isobenzofurancarbonitrile; Citalopram Impurity 5