Formula: C21H24O9 | Mol. Weight: 420.40 g/mol
IUPAC: (2S,3aR,4S,4'S,5'R,6S,7aR)-4'-benzoyloxy-3a,4-dihydroxy-5'-methyl-3-oxospiro[5,6,7,7a-tetrahydro-4H-1-benzofuran-2,2'-oxane]-6-carboxylic acid
CC1COC2(CC1OC(=O)C3=CC=CC=C3)C(=O)C4(C(CC(CC4O2)C(=O)O)O)O