SMILES: C[C@@H]1[C@@H](CC[C@]2([C@H]1CC(=O)C3=C2C(=O)C[C@]4([C@H]3CC[C@@H]4[C@H](C)CCC(=C)C(C)C(=O)O)C)C)O
Description: The molecule is a steroid acid that is ergosta-8,24(28)-dien-26-oic acid substituted by a hydroxy group at position 3, a methyl group at position 4 and oxo groups at positions 7 and 11 (the 3alpha,4alpha,5alpha stereoisomer). Isolated from Antrodia cinnamomea and Antrodia camphorata, it exhibits cytotoxic, anticholinergic and antiserotonergic activities. It has a role as a metabolite, an antineoplastic agent, a cholinergic antagonist and a serotonergic antagonist. It is an 11-oxo steroid, a 7-oxo steroid, a 3alpha-hydroxy steroid, a steroid acid and a monocarboxylic acid.