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