InChI=1S/C17H22O11/c1-5(2)3-6(18)9-7(19)4-8(20)10(21)14(9)27-17-13(24)11(22)12(23)15(28-17)16(25)26/h4-5,11-13,15,17,19-24H,3H2,1-2H3,(H,25,26)