Formula: C22H26O7 | Mol. Weight: 402.40 g/mol
IUPAC: [(1S,2R,4S,6S,9R,13S,16S,17R)-17-formyl-10,10-dimethyl-3-methylidene-8,15-dioxo-7,14-dioxapentacyclo[7.6.2.11,4.06,16.013,17]octadecan-2-yl] acetate
CC(=O)OC1C(=C)C2CC3C4C1(C2)C(=O)OC5C4(C(C(=O)O3)C(CC5)(C)C)C=O