Term Name:	withaferin A
Synonyms:	(4beta,5beta,6beta,22R)-4,27-dihydroxy-5,6:22,26-diepoxyergosta-2,24-diene-1,26-dione, 4beta,27-dihydroxy-1-oxo-5beta,6beta-epoxywitha-2,24-dienolide, Withaferin A
Definition:	A withanolide that is 5,6:22,26-diepoxyergosta-2,24-diene-1,26-dione substituted by hydroxy groups at positions 4 and 27 (the 4β,5β,6β,22R stereoisomer). Isolated from Physalis longifolia, it exhibits cytotoxic activity.
Ontology:	ChEBI [CHEBI:69120]  ( EBI )