InChI=1S/C17H20O11/c1-24-15-12(7(3-2-4-18)5-8-13(15)26-6-25-8)27-17-11(21)9(19)10(20)14(28-17)16(22)23/h2-3,5,9-11,14,17-21H,4,6H2,1H3,(H,22,23)