Methyl 2-(chloromethyl)-4-(difluoromethyl)pyridine-3-carboxylate
3-(Chloromethyl)-6-(difluoromethyl)pyridine-2-sulfonyl chloride
6-(Bromomethyl)-4-(difluoromethyl)-2,3-dimethoxypyridine
Methyl 2-(chloromethyl)-3-(difluoromethyl)pyridine-4-carboxylate