Formula: C22H28O7 | Mol. Weight: 404.50 g/mol
IUPAC: [(1S,1'S,3'R,5S,6S,7S,9S)-3'-formyl-7-hydroxy-4',4'-dimethyl-10-methylidene-2,11-dioxospiro[3-oxatricyclo[7.2.1.01,6]dodecane-5,2'-cyclohexane]-1'-yl] acetate
CC(=O)OC1CCC(C(C12COC(=O)C34C2C(CC(C3)C(=C)C4=O)O)C=O)(C)C