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