2-Amino-6-chloro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-Fluoro-4-methyl-5-(trifluoromethoxy)pyridine-2-sulfonamide
2-Iodo-4-methyl-6-(trifluoromethoxy)pyridine-3-sulfonamide
2-(Difluoromethyl)-5-(trifluoromethyl)pyridine-3-sulfonyl chloride