InChI=1S/C21H32O7S/c1-12(22)21(24)9-7-16-15-5-4-13-10-14(28-29(25,26)27)6-8-19(13,2)18(15)17(23)11-20(16,21)3/h4,14-18,23-24H,5-11H2,1-3H3,(H,25,26,27)/t14?,15?,16?,17?,18?,19-,20-,21-/m0/s1