Formula: C18H18O7 | Mol. Weight: 346.30 g/mol
IUPAC: (1S,2R,4R,5R,10S,11R,13S,14R,15R,18R)-5-ethenyl-14-hydroxy-10,15-dimethyl-3,6,12,17-tetraoxahexacyclo[8.7.1.02,4.04,9.011,13.015,18]octadec-8-ene-7,16-dione
CC12C3C(C4C5(O4)C(OC(=O)C=C5C3(C6C(C1O)O6)C)C=C)OC2=O