Basic Orange 33

C.I. Basic orange 33

2-[Ethyl(4'-nitroazobenzene-4-yl)amino]ethyltrimethylaminium

2-[Ethyl[4-[(4-nitrophenyl)azo]phenyl]amino]-N,N,N-trimethylethanaminium

N,N,N-Trimethyl-2-[[4-[(4-nitrophenyl)azo]phenyl](ethyl)amino]ethane-1-aminium