Formula: C28H34O8 | Mol. Weight: 498.60 g/mol
IUPAC: (1R,4S,5R,13R,14R,15S,17R,18R)-18-[(2R)-4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl]-14,15-dihydroxy-5,18-dimethyl-19,21-dioxapentacyclo[12.6.1.01,17.04,13.05,10]henicosa-7,10-diene-6,20-dione
CC1=C(C(=O)OC(C1)C2(C3CC(C4(C5CC=C6CC=CC(=O)C6(C5CCC3(O4)C(=O)O2)C)O)O)C)C