2-(Difluoromethyl)-5-hydroxy-3-iodopyridine-6-carbonyl chloride
5-(Chloromethyl)-4-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-sulfonyl chloride
Ethyl 2,3,5,6-tetrafluoro-4-pyridinecarboxylate
2-(Bromomethyl)-3-(difluoromethyl)-6-fluoro-5-(trifluoromethoxy)pyridine