The molecule is a withanolide that is 5,6:22,26-diepoxyergost-24-ene substituted by hydroxy groups at positions 4, 19 and 27, a methoxy group at position 3 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 metabolite and a plant metabolite. It is a delta-lactone, a 27-hydroxy steroid, a 4-hydroxy steroid, a 19-hydroxy steroid, an ergostanoid, a primary alcohol, a secondary alcohol, a withanolide and an epoxy steroid.
(1S,2S,5S,6S,7R,9R,11S,12S,15R,16S)-6-hydroxy-2-(hydroxymethyl)-15-[(1S)-1-[(2R)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-5-methoxy-16-methyl-8-oxapentacyclo[9.7.0.02,7.07,9.012,16]octadecan-3-one