英文别名Perampanel Impurity 14; 2-(2-cyanophenyl)benzonitrile; Diphenonitrile; biphenyl-2,2'-dicarbonitrile; 2,2'-dicyano-1,1'-biphenyl; 2,2'-biphenyldicarbonitrile; o,o'-dicyanodiphenyl; 2,2'-Dicyanobiphenyl; Perampanel Impurity 7; Perampanel Impurity 20; Pyronoprene Impurity 7; Perampanel Impurity 23