3-Bromo-5-methyl-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Bromo-6-nitro-2-(trifluoromethoxy)pyridine-5-sulfonamide
3-Bromo-5-methyl-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Chloro-5-cyano-6-(trifluoromethoxy)pyridine-3-acetic acid