Methyl 5-bromo-3-(difluoromethyl)pyridine-2-carboxylate
4-(Chloromethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-methanol
3-(Chloromethyl)-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-methanol
3-(Chloromethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-methanol