2-Nitro-4-stearamido-4'-ethoxycarbonyloxydiphenylamine 68715-91-3 Carbonic acid, ethyl 4-((2-nitro-4-((1-oxooctadecyl)amino)phenyl)amino)phenyl ester EINECS 272-107-2 Ethyl 4-(2-nitro-4-((1-oxooctadecyl)amino)anilino)phenyl carbonate