Ethyl 3-amino-5-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 5-amino-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 3-amino-4-nitro-2-(trifluoromethoxy)pyridine-5-carboxylate
2-Amino-3-bromo-4-(trifluoromethoxy)pyridine-5-sulfonamide