InChI=1S/C20H31NO17/c1-5(22)17(32)35-4-8(25)10(26)14-9(21-6(2)23)7(24)3-20(34,38-14)19(33)37-18-13(29)11(27)12(28)15(36-18)16(30)31/h5,7-15,18,22,24-29,34H,3-4H2,1-2H3,(H,21,23)(H,30,31)/t5?,7?,8?,9?,10?,11?,12?,13?,14?,15?,18?,20-/m0/s1