InChI=1S/C17H22O10/c1-9-2-4-10(5-3-9)26-8-11(18)24-6-7-25-17-14(21)12(19)13(20)15(27-17)16(22)23/h2-5,12-15,17,19-21H,6-8H2,1H3,(H,22,23)