Formula: C19H20O7 | Mol. Weight: 360.40 g/mol
IUPAC: (3E,3aR,4R,8bR)-4-hydroxy-8,8-dimethyl-3-[[(2R)-4-methyl-5-oxo-2H-furan-2-yl]oxymethylidene]-4,5,6,8b-tetrahydro-3aH-indeno[1,2-b]furan-2,7-dione
CC1=CC(OC1=O)OC=C2C3C(C4=C(C3OC2=O)C(C(=O)CC4)(C)C)O