The molecule is a diterpene triepoxide that is triptobenzene K in which the acylhydroquinone moiety has undergone oxidation to the corresponding triepoxyketone derivative. It has been isolated from the roots of Tripterygium wilfordii. It has a role as an antineoplastic agent, an anti-inflammatory agent and an immunosuppressive agent. It is a cyclic ketone, an organic heteroheptacyclic compound, a diterpene triepoxide and a butenolide.
(1S,2S,4S,5S,7S,9S,11S,13S)-1-methyl-7-propan-2-yl-3,6,10,16-tetraoxaheptacyclo[11.7.0.02,4.02,9.05,7.09,11.014,18]icos-14(18)-ene-8,17-dione