Formula: C20H26O5 | Mol. Weight: 346.40 g/mol
IUPAC: [(3aR,4aR,6R,7R,8aS,9aR)-6-hydroxy-8a-methyl-3,5-dimethylidene-2-oxo-3a,4,4a,6,7,8,9,9a-octahydrobenzo[f][1]benzofuran-7-yl] (Z)-2-methylbut-2-enoate
CC=C(C)C(=O)OC1CC2(CC3C(CC2C(=C)C1O)C(=C)C(=O)O3)C