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