SMILES: CC1=C(C(=O)O[C@H](C1)[C@@](C)([C@]23[C@H](O2)C[C@@H]4[C@@]3(CC[C@H]5[C@H]4C[C@@H]6[C@]7([C@@]5(C(=O)C=C[C@@H]7O)C)O6)C)O)C
Description: The molecule is a withanolide that is the 20-hydroxy derivative of tubocapsanolide A. Isolated from Tubocapsicum anomalum, it exhibits cytotoxic activity. It has a role as an antineoplastic agent. It is a delta-lactone, a 4-hydroxy steroid, an enone, an ergostanoid, a secondary alcohol, a tertiary alcohol, a withanolide, a 20-hydroxy steroid and an epoxy steroid. It derives from a tubocapsanolide A.