The molecule is a cembrane diterpenoid with cytotoxic activity isolated from the soft coral Lobophytum michaelae. It has a role as an antineoplastic agent and a coral metabolite. It is a gamma-lactone, an acetate ester, a cembrane diterpenoid, an epoxide and a macrocycle.
[(1S,2S,4S,5R,7E,9S,11S,13S,15R,16R)-9,15-diacetyloxy-4,8,13-trimethyl-17-methylidene-18-oxo-3,12,19-trioxatetracyclo[14.3.0.02,4.011,13]nonadec-7-en-5-yl] acetate