1-(2-((4-((2-Chloro-4-nitrophenyl)azo)-m-tolyl)ethylamino)ethyl)pyrrolidine-2,5-dione 2,5-Pyrrolidinedione, 1-(2-((4-((2-chloro-4-nitrophenyl)azo)-3-methylphenyl)ethylamino)ethyl)- 65208-23-3 EINECS 265-623-4