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