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