methyl 3-bromo-4-(but-2-enylamino)-5-nitrobenzoate

methyl 3-amino-5-bromo-4-(but-2-enylamino)benzoate

methyl 3-bromo-5-nitro-4-[(2,2,2-trifluoroacetyl)amino]benzoate

methyl 3-ethyl-7-nitro-1H-indole-5-carboxylate

(4-amino-3-nitrophenyl)methanol