Formula: C22H28O7 | Mol. Weight: 404.50 g/mol
IUPAC: (1S,2S,6S,7S,9R,13S,17S)-13-hydroxy-4,15-dimethoxy-2,6,14,17-tetramethyl-10-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-4,14-diene-3,11,16-trione
CC1C=C(C(=O)C2(C1CC3C4(C2C(=O)C(=C(C4(CC(=O)O3)O)C)OC)C)C)OC