3-(Chloromethyl)-2-cyano-4-(difluoromethyl)pyridine-5-carboxaldehyde
2-Cyano-3-(difluoromethyl)-4-methyl-6-(trifluoromethyl)pyridine
5-(Aminomethyl)-4-cyano-3-(difluoromethyl)-2-(trifluoromethyl)pyridine
3-(Chloromethyl)-6-cyano-2-(difluoromethyl)-5-methylpyridine