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