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