InChI=1S/C20H26O10S/c1-6-10(2)17(21)28-14-8-19(5)15(29-31(24,25)26)9-20(23,30-19)11(3)7-13-16(14)12(4)18(22)27-13/h6-7,13-16,23H,4,8-9H2,1-3,5H3,(H,24,25,26)/b10-6-,11-7-/t13?,14?,15?,16?,19-,20-/m1/s1