The molecule is an organic heterotetracyclic compound that is 2,3,10,12-tetrahydro-4H,11H-pyrano[2,3-a]xanthene-4,11-dione substituted by methyl groups at positions 6, 8, 10, and 10, and by hydroxy, isopropyl, methoxy, phenyl, and groups at positions 5, 12, 9, and 2, respectively (the S,S-enantiomer). It is isolated from the leaves of Baeckea frutescens and exhibits cytotoxicity against leukemia cells. It has a role as a metabolite and an antineoplastic agent. It is an organic heterotetracyclic compound, an extended flavonoid, a member of phenols and an ether.
(2S,12S)-5-hydroxy-9-methoxy-6,8,10,10-tetramethyl-2-phenyl-12-propan-2-yl-3,12-dihydro-2H-pyrano[2,3-a]xanthene-4,11-dione