3-Bromo-4-methoxy-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-Bromo-6-methoxy-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Bromo-2-(fluoromethyl)-4-methyl-6-(trifluoromethoxy)pyridine
3-Bromo-4-hydroxy-5-(trifluoromethoxy)pyridine-2-methanol