Formula: C20H26O6 | Mol. Weight: 362.40 g/mol
IUPAC: (1S,3'aR,5R,6S,7R,7'aR,9S,10R)-7-hydroxy-3'a,10-dimethylspiro[3-oxatricyclo[7.2.1.01,6]dodecane-5,7'-4,5,6,7a-tetrahydro-3H-2-benzofuran]-1',2,11-trione
CC1C2CC(C3C4(CCCC5(C4C(=O)OC5)C)COC(=O)C3(C2)C1=O)O