InChI=1S/C13H20O11/c1-4(2)13(22,3-5(14)15)12(21)24-11-8(18)6(16)7(17)9(23-11)10(19)20/h4,6-9,11,16-18,22H,3H2,1-2H3,(H,14,15)(H,19,20)/t6?,7?,8?,9?,11?,13-/m0/s1