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