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