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