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