5-Cyano-4-(difluoromethyl)-3-methoxypyridine-2-carboxaldehyde
Methyl 2-chloro-5-(chloromethyl)-4-(difluoromethyl)pyridine-3-acetate
2-(Aminomethyl)-6-cyano-3-(difluoromethyl)-4-iodopyridine
3-Chloro-2-(difluoromethyl)-6-(trifluoromethyl)pyridine-4-acetonitrile