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