Ethyl 3-bromo-5-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate
2-Bromo-5-nitro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Methyl 5-bromo-3-iodo-2-(trifluoromethoxy)pyridine-4-carboxylate
2-Bromo-4-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride