The molecule is an ent-kaurane diterpenoid isolated from Isodon henryi and has been shown to exhibit cytotoxic activity. It has a role as a metabolite and an antineoplastic agent. It is an ent-kaurane diterpenoid, a tetracyclic diterpenoid, a cyclic ketone, a secondary alcohol and a bridged compound.
(1R,2R,4R,6S,8S,9R,10S,13S,16R)-2,6,8,16-tetrahydroxy-5,5,9-trimethyl-14-methylidenetetracyclo[11.2.1.01,10.04,9]hexadecan-15-one