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