2-Cyano-4-(difluoromethyl)pyridine-6-acetonitrile
2-(Bromomethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carbonyl chloride
2-(Chloromethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-sulfonyl chloride
2-(Chloromethyl)-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-sulfonyl chloride