英文别名4,4'-(1-METHYLENE) BIS-BENZONITRILE; 4-[(4-Cyanophenyl)methyl]benzonitrile; 4,4'-Dicyanodiphenylmethane; Letrozole Impurity D; Benzonitrile,4,4'-methylenebis-; bis(4-cyanophenyl)methane; AC-608; 4,4'-Dicyan-diphenylmethan; 4,4'-Methandiyl-di-benzonitril; 4,4'-methanediyl-di-benzonitrile; di(4-cyanophenyl)methane; 4,4'-methanediyldibenzonitrile 
