InChI=1S/C21H32O10/c1-19(2)4-9-12(24)8(6-22)11-10(23)5-20(11,3)21(9,7-19)31-18-15(27)13(25)14(26)16(30-18)17(28)29/h9-10,12-16,18,22-27H,4-7H2,1-3H3,(H,28,29)/t9?,10?,12?,13?,14?,15?,16?,18?,20-,21?/m0/s1