MALACHITE GREEN LEUCONITRILE;bis(4-N,N-dimethylaminophenyl)phenylacetonitrile;BIS-(4-N,N-DIMETHYLAMINOPHENYL) PHENYLACTONITRILE;2,2-bis[4-(dimethylamino)phenyl]-2-phenylacetonitrile;Benzeneacetonitrile, 4-(dimethylamino)-α-[4-(dimethylamino)phenyl]-α-phenyl-