1-Naphthalenemethanol, alpha,alpha-bis(4-(dimethylamino)phenyl)-4-(phenylamino)-; alpha,alpha-Bis(4-(dimethylamino)phenyl)-4-(phenylamino)naphthalene-1-methanol; bis[4-(dimethylamino)phenyl][4-(phenylamino)naphthalen-1-yl]methanol; Solvent Blue 4; C.I.Solvent Blue 4