SMILES: CC1=C(C(=O)O[C@H](C1)[C@@H](C)[C@H]2CC[C@@H]3[C@@]2(CC[C@H]4[C@H]3CCC5=CC(=O)C=C[C@]45C)C)C
Description: The molecule is a withanolide that is (22R)-22,26-epoxyergosta-1,4,24-triene substituted by oxo groups at positions 3 and 26. Isolated from Paraminabea acronocephala, it exhibits antineoplastic and anti-inflammatory activities. It has a role as an anti-inflammatory agent, an antineoplastic agent and a coral metabolite. It is a withanolide, a delta-lactone, an organic heterotetracyclic compound, an ergostanoid and a 3-oxo-Delta(1),Delta(4)-steroid.