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