4-(Bromomethyl)-2-(difluoromethyl)-3-fluoropyridine-5-carboxylic acid
4-(Aminomethyl)-2-(difluoromethyl)-6-fluoro-3-methylpyridine
2-(Bromomethyl)-3-(difluoromethyl)-4-fluoropyridine-5-carboxylic acid
3-(Aminomethyl)-5-(difluoromethyl)-6-fluoro-2-methylpyridine