Ethyl 3-bromo-5-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 3-bromo-6-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate
2-Bromo-3-fluoro-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Ethyl 3-bromo-2-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxylate