6-Chloro-2-(difluoromethyl)-4-fluoropyridine-3-sulfonyl chloride
2-Chloro-6-(difluoromethyl)-3-fluoropyridine-5-sulfonyl chloride
2-Chloro-4-(difluoromethyl)-5-hydroxypyridine-3-methanol
2-Chloro-5-(difluoromethyl)-6-fluoropyridine-3-sulfonyl chloride