InChI=1S/C12H18O11/c13-3-2-1-20-12(21-2)9(5(3)15)23-11-7(17)4(14)6(16)8(22-11)10(18)19/h2-9,11-17H,1H2,(H,18,19)/t2?,3?,4?,5?,6?,7?,8?,9?,11?,12-/m1/s1