Ethanaminium,2-[ethyl[4-[(4-nitrophenyl)azo]phenyl]aminol-N,N,N-trimethyl-chloride], Ethanaminium,2-(ethyl(4-(2-(4-nitrophenyl)diazenyl)phenyl)amino)-N,N,N-trimethyl-,chloride (1:1), Rifa Cationic Orange 3R., Einecs 260-623-0, Ethanaminium,2-(ethyl(4-((4-nitrophenyl)azo)phenyl)amino)-N,N,N-trimethyl-,chloride, Cationic Orange RN