[Definition]
ChEBI: Withalongolide B is a withanolide that is 27-deoxywithaferin A substituted by a hydroxy group at position 19. Isolated from Physalis longifolia, it exhibits antineoplastic activity. It has a role as an antineoplastic agent. It is a delta-lactone, a 4-hydroxy steroid, an enone, an ergostanoid, a primary alcohol, a secondary alcohol, a withanolide and an epoxy steroid. It is functionally related to a withaferin A. |