Ethyl 3-(chloromethyl)-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 2-(chloromethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
5-(Chloromethyl)-2-(difluoromethyl)-3-methoxypyridine
Methyl 4-bromo-3-(difluoromethyl)pyridine-5-acetate