英文别名4-(1H-1,2,4-Triazol-1-ylmethyl)benzonitrile; 4-(1H-1,2,4-TRIAZOLYLMETHYL)BENZONITRILE; 4-1-(1,2,4-Triazolyl)-methyl-benzonitril; 4-[1-(1,2,4-triazolyl)-methyl]-benzonitrile; 4-((1H-1,2,4-triazol-1-yl)methyl)benzonitrile (intermediate of letrozole); 4-(1H-1,2,4-Triazol-1-ylmethyl)-benzonitrile; Letrozole Impurity 3 
