Ethyl 2-(chloromethyl)-3-(difluoromethyl)-4-methoxypyridine-6-carboxylate
2-(Chloromethyl)-3-(difluoromethyl)-4-methyl-5-(trifluoromethoxy)pyridine
3-(Chloromethyl)-6-(difluoromethyl)-2-methyl-4-(trifluoromethoxy)pyridine
2-(Chloromethyl)-5-methyl-4-(trifluoromethoxy)pyridine-3-methanol