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