Formula: C24H28O9 | Mol. Weight: 460.50 g/mol
IUPAC: dimethyl (5R,5'S,6R,8S)-8-acetyloxy-5'-(furan-3-yl)-6-methyl-2'-oxospiro[2,3,4,6,7,8-hexahydronaphthalene-5,3'-oxolane]-1,1-dicarboxylate
CC1CC(C2=C(C13CC(OC3=O)C4=COC=C4)CCCC2(C(=O)OC)C(=O)OC)OC(=O)C