InChI=1S/C21H32O7S/c1-13(23)21(24)10-7-17-16-4-3-14-11-15(28-29(25,26)27)5-9-20(14,12-22)18(16)6-8-19(17,21)2/h3,15-18,22,24H,4-12H2,1-2H3,(H,25,26,27)/t15?,16?,17?,18?,19-,20+,21-/m0/s1