4-(Chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-methanol
5-(Chloromethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-methanol
2-Bromo-4-(difluoromethyl)-5-(trifluoromethyl)pyridine
3-(Difluoromethyl)-2-nitropyridine-6-sulfonyl chloride