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