2-(Aminomethyl)-4-(difluoromethyl)-5-methylpyridine-3-carboxaldehyde
6-(Aminomethyl)-4-(difluoromethyl)-2-methylpyridine-3-carboxylic acid
2-(Aminomethyl)-4-(difluoromethyl)-3-methylpyridine-5-carboxaldehyde
6-(Aminomethyl)-4-(difluoromethyl)-3-methylpyridine-2-carboxylic acid