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