The molecule is a withanolide that is (22R,25S)-22,26-epoxycholest-4-en-26-one substituted by an oxo group at position 3 and an alpha-acetoxy group at position 11. Isolated from Paraminabea acronocephala, it exhibits anti-inflammatory activity. It has a role as an anti-inflammatory agent and a coral metabolite. It is a delta-lactone, a cholestanoid, an enone, an organic heterotetracyclic compound, a withanolide and an acetate ester.
[(8S,9S,10R,11R,13S,14S,17R)-10,13-dimethyl-17-[(1S)-1-[(2R,5S)-5-methyl-6-oxooxan-2-yl]ethyl]-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-11-yl] acetate