3-Bromo-4-nitro-2-(trifluoromethoxy)pyridine-5-sulfonamide
Ethyl 2-bromo-5-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate
3-Bromo-2-nitro-4-(trifluoromethoxy)pyridine-5-sulfonamide
Ethyl 2-bromo-4-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxylate