2-Cyano-6-(difluoromethyl)-5-fluoro-3-(trifluoromethoxy)pyridine
3-Chloro-5-methyl-6-(trifluoromethoxy)pyridine-2-sulfonamide
3-Chloro-5-methyl-2-(trifluoromethoxy)pyridine-6-sulfonamide
2-Cyano-6-(difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine