InChI=1S/C17H22O10/c1-24-9-5-8(6-10(7-9)25-2)3-4-11(18)26-17-14(21)12(19)13(20)15(27-17)16(22)23/h5-7,12-15,17,19-21H,3-4H2,1-2H3,(H,22,23)