Formula: C22H28O6 | Mol. Weight: 388.50 g/mol
IUPAC: [(4aS,6aS,7S,10aR,11aS,11bS)-6a-hydroxy-4,4,8,11b-tetramethyl-3,9-dioxo-5,6,7,10a,11,11a-hexahydro-4aH-naphtho[2,1-f][1]benzofuran-7-yl] acetate
CC1=C2C(CC3C4(C=CC(=O)C(C4CCC3(C2OC(=O)C)O)(C)C)C)OC1=O