65059-41-8 Bis((2,2'-(oxybis(4,1-phenyleneazo-4,1-phenylene(ethylimino)))ethyl)triethylammonium) dichloride EINECS 265-331-7 Ethanaminium, 2,2'-(oxybis(4,1-phenyleneazo-4,1-phenylene(ethylimino)))bis(N,N,N-triethyl-, dichloride