Formula: C20H24O7 | Mol. Weight: 376.40 g/mol
IUPAC: [(3aR,4R,6S,6aR,9aR,9bR)-9-methyl-3-methylidene-2-oxospiro[4,5,6a,7,9a,9b-hexahydro-3aH-azuleno[4,5-b]furan-6,2'-oxirane]-4-yl] (E)-4-hydroxy-2-(hydroxymethyl)but-2-enoate
CC1=CCC2C1C3C(C(CC24CO4)OC(=O)C(=CCO)CO)C(=C)C(=O)O3