Formula: C23H26O9 | Mol. Weight: 446.40 g/mol
IUPAC: [(3aR,4S,6aR,8S,9R,9aS,9bS)-8-acetyloxy-3,6-dimethylidene-2-oxospiro[3a,4,5,6a,7,8,9a,9b-octahydroazuleno[4,5-b]furan-9,2'-oxirane]-4-yl] 2-(acetyloxymethyl)prop-2-enoate
CC(=O)OCC(=C)C(=O)OC1CC(=C)C2CC(C3(C2C4C1C(=C)C(=O)O4)CO3)OC(=O)C