4-Amino-3-methyl-2-(trifluoromethoxy)pyridine-5-sulfonamide
2-Bromo-4-fluoro-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
4-Amino-6-methyl-3-(trifluoromethoxy)pyridine-2-sulfonamide
2-Bromo-3-fluoro-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride