2-Chloro-5-(difluoromethyl)-3-fluoropyridine-4-sulfonyl chloride
2-Chloro-3-(difluoromethyl)-6-fluoro-5-(trifluoromethyl)pyridine
3-Chloro-6-(difluoromethyl)-2-fluoropyridine-5-sulfonamide
2-Chloro-3-(difluoromethyl)-5-fluoro-6-(trifluoromethyl)pyridine