Formula: C23H28O5 | Mol. Weight: 384.50 g/mol
IUPAC: (1R,4S,8R,10S,11R,12S)-10-hydroxy-7,13,13-trimethyl-4-propan-2-yl-18-oxapentacyclo[9.5.2.01,12.02,9.04,8]octadeca-2(9),6-diene-3,5,17-trione
CC1=CC(=O)C2(C1C3=C(C2=O)C45CCCC(C4C(C3O)OC5=O)(C)C)C(C)C