Formula: C26H34O10 | Mol. Weight: 506.50 g/mol
IUPAC: 9b-(2-carboxy-1-hydroxyethyl)-7-[furan-3-yl(hydroxy)methyl]-3,3,5a,7-tetramethyl-5-oxospiro[1,3a,4,8,9,9a-hexahydrobenzo[e][2]benzofuran-6,3'-oxirane]-2'-carboxylic acid
CC1(C2CC(=O)C3(C(C2(CO1)C(CC(=O)O)O)CCC(C34C(O4)C(=O)O)(C)C(C5=COC=C5)O)C)C