Gambogic acid B
Gambogic acid B is an active compound. Gambogic acid B can be isolated from the resin of Garcinia hanburyi.. Gambogic acid B has cytotoxicity against A549, HCT116 and MDA MB 231 cells with IC50 values of 1.60 μM, 6.88 μM and 0.87 μM, respectively[1].