3-Cyano-2-(difluoromethyl)-5-nitropyridine-6-sulfonyl chloride
Methyl 5-(bromomethyl)-2-cyano-4-(difluoromethyl)pyridine-3-acetate
3-(Chloromethyl)-2-cyano-6-(difluoromethyl)pyridine-5-carboxaldehyde
4-(Chloromethyl)-3-cyano-6-(difluoromethyl)-2-(trifluoromethyl)pyridine