Formula: C28H36O10 | Mol. Weight: 532.60 g/mol
IUPAC: (1R,7aR,9S,11bR)-1-acetyloxy-9-[(S)-furan-3-yl(hydroxy)methyl]-5,5,7a,9,11b-pentamethyl-3,7-dioxospiro[2,5a,6,10,11,11a-hexahydro-1H-naphtho[2,1-c]oxepine-8,3'-oxirane]-2'-carboxylic acid
CC(=O)OC1CC(=O)OC(C2C1(C3CCC(C4(C3(C(=O)C2)C)C(O4)C(=O)O)(C)C(C5=COC=C5)O)C)(C)C