SMILES: CC(=O)OC(C)(C)/C=C/C(=O)[C@@](C)([C@H]1[C@@H](C[C@@]2([C@@]1(CC(=O)[C@@]3([C@H]2CC=C4[C@H]3C=C(C(=O)C4(C)C)O[C@H]5[C@@H]([C@H]([C@@H]([C@H](O5)CO)O)O)O)C)C)C)O)O
Description: The molecule is a triterpenoid saponin that is cucurbitacin E attached to a beta-D-glucopyranosyl residue at position 2 via a glycosidic linkage. Isolated from Machilus yaoshansis it exhibits antineoplastic activity. It has a role as a plant metabolite and an antineoplastic agent. It is a cucurbitacin, a beta-D-glucoside, a monosaccharide derivative, a triterpenoid saponin, an acetate ester and a tertiary alpha-hydroxy ketone. It derives from a cucurbitacin E.