Ethyl 5-bromo-2-nitro-3-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 4-bromo-2-nitro-6-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 3-bromo-5-nitro-2-(trifluoromethoxy)pyridine-6-carboxylate
3-Chloro-5-cyano-6-(trifluoromethoxy)pyridine-2-sulfonamide