InChI=1S/C19H32O17/c1-32-16-13(34-18-11(28)5(22)4(21)3(2-20)33-18)8(25)6(23)9(26)14(16)35-19-12(29)7(24)10(27)15(36-19)17(30)31/h3-16,18-29H,2H2,1H3,(H,30,31)