Formula: C20H26O5 | Mol. Weight: 346.40 g/mol
IUPAC: [(3aR,4R,6S,6aR,9aR,9bR)-6-hydroxy-6,9-dimethyl-3-methylidene-2-oxo-4,5,6a,7,9a,9b-hexahydro-3aH-azuleno[4,5-b]furan-4-yl] (Z)-2-methylbut-2-enoate
CC=C(C)C(=O)OC1CC(C2CC=C(C2C3C1C(=C)C(=O)O3)C)(C)O