Formula: C22H20O10 | Mol. Weight: 444.40 g/mol
IUPAC: [(3'S,4'R,6'R,11R,15R,17R)-3',4-dihydroxy-6'-methyl-2,9,13-trioxospiro[12,16-dioxatetracyclo[8.7.0.03,8.011,15]heptadeca-1(10),3(8),4,6-tetraene-17,2'-oxane]-4'-yl] acetate
CC1CC(C(C2(O1)C3=C(C4C(O2)CC(=O)O4)C(=O)C5=C(C3=O)C(=CC=C5)O)O)OC(=O)C