Formula: C21H24O7 | Mol. Weight: 388.40 g/mol
IUPAC: (1S,2S,7R,9R,17R)-14-(hydroxymethyl)-4,15-dimethoxy-2,17-dimethyl-10-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-4,12,14-triene-3,11,16-trione
CC12C(CC=C(C1=O)OC)CC3C4(C2C(=O)C(=C(C4=CC(=O)O3)CO)OC)C