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