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