Polygalaxanthone XI, a xanthone glycoside extracted from the cortexes of Polygala tenuifolia, can be used in the study of expectorant, sedative, and tranquilizing agent. References: Jiang Y, et al. Xanthone glycosides from Polygala tenuifolia and their conformational analyses. J Nat Prod. 2005 Jun;68(6):875-9.

纯度：≥98%

CAS：857859-82-6