2-Ethoxyethyl (2-((2-chloro-4-nitrophenyl)azo)-5-(diethylamino)phenyl)carbamate 68214-66-4 Carbamic acid, (2-((2-chloro-4-nitrophenyl)azo)-5-(diethylamino)phenyl)-, 2-ethoxyethyl ester EINECS 269-308-2