The molecule is an ent-kaurane diterpenoid that is ent-kaur-16-ene substituted by an alpha-hydroxy group at position 1, beta-acetoxy groups at positions 3 and 6a and oxo groups at positions 11 and 15. Isolated from Isodon excisus and Rabdosia inflexa,it acts as an aromatase inhibitor. It has a role as a metabolite and an EC 1.14.14.14 (aromatase) inhibitor. It is an ent-kaurane diterpenoid, an acetate ester, a cyclic ketone, a bridged compound and a secondary alcohol.
[(1S,4R,6S,8S,9S,10S,11S,13S)-6-acetyloxy-8-hydroxy-5,5,9-trimethyl-14-methylidene-3,15-dioxo-11-tetracyclo[11.2.1.01,10.04,9]hexadecanyl] acetate