The molecule is a withanolide that is 5,6:22,26-diepoxyergost-24-ene substituted by hydroxy groups at positions 3, 4 and 27 and oxo groups at positions 1 and 26. It has been isolated from the aerial parts of Physalis longifolia. It has a role as a plant metabolite. It is a delta-lactone, a 27-hydroxy steroid, a 4-hydroxy steroid, a 3beta-hydroxy steroid, an ergostanoid, a primary alcohol, a secondary alcohol, a withanolide and an epoxy steroid.
(1S,2R,5S,6S,7R,9R,11S,12S,15R,16S)-5,6-dihydroxy-15-[(1S)-1-[(2R)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-2,16-dimethyl-8-oxapentacyclo[9.7.0.02,7.07,9.012,16]octadecan-3-one