Sibiricaxanthone B is a xanthone isolated from?Polygala tenuifolia.

AA 2379, an anti inflammatory agent, inhibits the vascular permeability induced by histamine, serotonin, and bradykinin. It also has some analgesic activity.

C-DIM12 increased expression of transfected human Nurr1, induced Nurr1 protein expression in primary dopaminergic neurons and enhanced neuronal survival from exposure to 6-OHDA.