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