Formula: C22H26O6 | Mol. Weight: 386.40 g/mol
IUPAC: [(1S,4'R,5R,6S,9R,11R)-4'-formyl-3',3'-dimethyl-10-methylidene-2,6'-dioxospiro[3-oxatricyclo[7.2.1.01,6]dodecane-5,5'-cyclohexene]-11-yl] acetate
CC(=O)OC1C(=C)C2CCC3C1(C2)C(=O)OCC34C(C(C=CC4=O)(C)C)C=O