英文别名ethyl 4-amino-2-nitrophenyl carbamate; 5-amino-2-ethoxycarbonylaminonitrobenzene; (4-amino-2-nitro-phenyl)-carbamic acid ethyl ester; (4-Amino-2-nitrophenyl)carbamic acid ethyl ester; Ethyl aMino nitrophenyl carbaMate; Carbamic acid, N-(4-amino-2-nitrophenyl)-, ethyl ester; Retigabine Impurity 7; ethyl N-(4-amino-2-nitrophenyl)carbamate