Methyl 3-(bromomethyl)-4-(difluoromethyl)pyridine-2-carboxylate
3-(Chloromethyl)-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
Ethyl 2-(chloromethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-acetate
Methyl 3-(bromomethyl)-2-(difluoromethyl)pyridine-4-carboxylate