Pyridinium, 1-2-4-(2-chloro-4-nitrophenyl)azophenylethylaminoethyl-, acetate

1-[2-[[4-[(2-chloro-4-nitrophenyl)azo]phenyl]ethylamino]ethyl]pyridinium acetate

Pyridinium, 1-[2-[[4-[(4-nitro-2-chlorophenyl)azo]phenyl] ethylamino]ethyl]-, acetate