InChI=1S/C17H22O10/c1-6(2)3-8(18)11-9(19)4-7(5-10(11)20)26-17-14(23)12(21)13(22)15(27-17)16(24)25/h4-6,12-15,17,19-23H,3H2,1-2H3,(H,24,25)