Formula: C21H28O6 | Mol. Weight: 376.40 g/mol
IUPAC: (1S,4S,8R,9R,12S,13S,14S,16S)-14-hydroxy-9-methoxy-7,7-dimethyl-17-methylidene-3,10-dioxapentacyclo[14.2.1.01,13.04,12.08,12]nonadecane-2,18-dione
CC1(CCC2C3(C1C(OC3)OC)C4C(CC5CC4(C(=O)C5=C)C(=O)O2)O)C