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