The molecule is a withanolide that is 2,3-dihydrowithaferin A substituted by a beta-methoxy group at position 3. 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, an ergostanoid, a primary alcohol, a secondary alcohol, a withanolide and an epoxy steroid. It derives from a withaferin A.
(1S,2R,5S,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]-5-methoxy-2,16-dimethyl-8-oxapentacyclo[9.7.0.02,7.07,9.012,16]octadecan-3-one