Ethyl 3-(difluoromethyl)-5-iodopyridine-4-carboxylate
3-(Bromomethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-sulfonyl chloride
Ethyl 3-(difluoromethyl)-4-iodopyridine-5-carboxylate
3-(Chloromethyl)-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-methanol