C.I. 44040; C.I. Basic Blue 11 (7CI,8CI); Basic blue K; [4-[[4-(Dimethylamino)phenyl][4-(ethylamino)-1-naphthyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride; Victoria Blue R; N-[(1E)-4-{bis[4-(dimethylamino)phenyl]methylidene}naphthalen-1(4H)-ylidene]ethanaminium chloride