Formula: C20H24O5 | Mol. Weight: 344.40 g/mol
IUPAC: [(3aR,4R,6aR,7S,9aR,9bR)-7-hydroxy-9-methyl-3,6-dimethylidene-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(=C)C2C(C=C(C2C3C1C(=C)C(=O)O3)C)O