The molecule is a withanolide that is the C-25 epimer of paraminabeolide D. It has been isolated from a Formosan soft coral Paraminabea acronocephala. It has a role as a coral metabolite. It is a gamma-lactone, an ergostanoid, a secondary alcohol, a withanolide and a 3-oxo-Delta(1),Delta(4)-steroid.
(3S,4S,5R)-5-[(1S,2S)-2-[(8S,9S,10R,13S,14S,17R)-10,13-dimethyl-3-oxo-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]-1-hydroxypropyl]-3,4-dimethyloxolan-2-one