3-Bromo-4-methyl-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-Bromo-2-methyl-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Bromo-3-nitro-2-(trifluoromethoxy)pyridine-6-sulfonamide
2-Chloro-5-cyano-4-(trifluoromethoxy)pyridine-3-acetic acid