The molecule is a withanolide that is the 2,3-dihydro derivative of withaferin A. 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, an ergostanoid, a primary alcohol, a secondary alcohol, a withanolide and an epoxy steroid. It derives from a withaferin A.
(1S,2R,6S,7R,9R,11S,12S,15R,16S)-6-hydroxy-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