2-(Aminomethyl)-6-cyano-4-(difluoromethyl)pyridine-3-methanol
2-(Aminomethyl)-3-(difluoromethyl)-6-fluoro-4-hydroxypyridine
3-(Chloromethyl)-4-cyano-2-(difluoromethyl)pyridine-5-methanol
5-(Chloromethyl)-3-cyano-4-(difluoromethyl)pyridine-2-carboxylic acid