The molecule is a withanolide that is 3,6:22,26-diepoxyergost-24-ene substituted by hydroxy groups at positions 4, 5 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 metabolite and a plant metabolite. It is a delta-lactone, a 27-hydroxy steroid, a 4-hydroxy steroid, a 5beta-hydroxy steroid, a cyclic ether, an ergostanoid, a primary alcohol, a secondary alcohol and a withanolide.
(1S,3S,4S,7R,8S,11S,12R,15R,16S,17R)-16,17-dihydroxy-7-[(1S)-1-[(2R)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-8,12-dimethyl-18-oxapentacyclo[13.2.1.03,11.04,8.012,17]octadecan-13-one