SMILES: C[C@H](CC/C=C(/C)\\C(=O)O)[C@H]1CC[C@@]2([C@@]1(CC[C@]34[C@H]2CC[C@H]([C@]3(C4)CCC(=O)O)C(=C)C)C)C
Description: The molecule is a tetracyclic triterpenoid that is 3,4-secocycloarta-4(28),24-(Z)-diene substituted by carboxy groups at positions 3 and 26. Isolated from Schisandra henryi and Schisandra propinqua, it exhibits cytotoxic and anti-HIV activities. It has a role as a metabolite, an antineoplastic agent and a HIV-1 reverse transcriptase inhibitor. It is a tetracyclic triterpenoid and a dicarboxylic acid.