InChI=1S/C20H21NO10/c1-19(30)5-3-2-4-6(22)7(5)12(23)8-10(19)14(25)11-15(26)13(24)9(18(21)29)17(28)20(11,31)16(8)27/h2-4,8-14,22-25,30-31H,1H3,(H2,21,29)/t8?,9?,10?,11?,12?,13?,14?,19-,20+/m1/s1