Formula: C21H26O9 | Mol. Weight: 422.40 g/mol
IUPAC: 6-methyl-3-methylidene-9-[[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4,5,9a,9b-tetrahydro-3aH-azuleno[4,5-b]furan-2,7-dione
CC1=C2C(C3C(CC1)C(=C)C(=O)O3)C(=CC2=O)COC4C(C(C(C(O4)CO)O)O)O