Basic Blue 55;C.I.Basic Blue 55:C.I.44044;[4-[alpha-[4-(cyclohexylamino)-1-naphthyl]-p-(dimethylamino)benzylidene]-2,5-cyclohexadien-1-ylidene]dimethylammonium chloride;Methanaminium, N-4-4-(cyclohexylamino)-1-naphthalenyl4-(dimethylamino)phenylmethylene-2,5-cyclohexadien-1-ylidene-N-methyl-, chloride