The molecule is an organic heterotetracyclic compound that is 9,9a-dihydro-9,4a-prop[1]enoxanthene-1,4-dione substituted by a hydroxy group at position 7, a methyl group at position 12 and a prenyl group at position 9a. Isolated from the root barks of Ehretia buxifolia, it exhibits antisnake venom activity. It has a role as a metabolite and an antidote. It is an organic heterotetracyclic compound, a cyclic ketone, a cyclic ether and a member of phenols.
(1S,9S,10R)-6-hydroxy-16-methyl-10-(3-methylbut-2-enyl)-2-oxatetracyclo[7.5.3.01,10.03,8]heptadeca-3(8),4,6,12,16-pentaene-11,14-dione