(2-((4-((2-Chloro-4-nitrophenyl)azo)-3-methylphenyl)ethylamino)ethyl)diethylmethyl chloride 64346-61-8 EINECS 264-809-2 Ethanaminium, 2-((4-((2-chloro-4-nitrophenyl)azo)-3-methylphenyl)ethylamino)-N,N-diethyl-N-methyl-, chloride