2-Bromo-3-hydroxy-6-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Bromo-4-methyl-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-Bromo-3-hydroxy-4-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Bromo-3-methyl-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride