UGG Chestnut spot damage Shearling Triple Button Tall Boots

Cozy UGG boots in chestnut with shearling lining. Features stylish button accents. Selling them for very cheap as you can see I spilled something on them not sure what and forgot to spray them before wearing them and cannot get them clean. Maybe someone has a certain solution that they can get them clean and they’ll get a great deal. Maybe they could be someone’s around the house boots or in the garden or something where you’re not being seen