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