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