Formula: C22H26O9 | Mol. Weight: 434.40 g/mol
IUPAC: methyl (1S,2R,4R,7E,9S,10S,11R)-9-acetyloxy-4-methyl-12-methylidene-10-(2-methylprop-2-enoyloxy)-13-oxo-3,14-dioxatricyclo[9.3.0.02,4]tetradec-7-ene-8-carboxylate
CC(=C)C(=O)OC1C2C(C3C(O3)(CCC=C(C1OC(=O)C)C(=O)OC)C)OC(=O)C2=C