Methyl 3-chloro-2-(difluoromethyl)-6-fluoropyridine-5-acetate
Ethyl 3-bromo-6-(bromomethyl)-2-(difluoromethyl)pyridine-5-carboxylate
Methyl 3-chloro-2-(difluoromethyl)-5-fluoropyridine-6-acetate
2-Chloro-6-(chloromethyl)-3-(difluoromethyl)-4-hydroxypyridine