Methyl 3-(chloromethyl)-5-(difluoromethyl)pyridine-2-carboxylate
Methyl 3-(chloromethyl)-4-(difluoromethyl)pyridine-2-carboxylate
3-(Bromomethyl)-6-(difluoromethyl)-2,5-dimethoxypyridine
Methyl 3-(chloromethyl)-2-(difluoromethyl)pyridine-4-carboxylate