InChI=1S/C21H32O7S/c1-19-8-5-14(28-29(25,26)27)11-13(19)3-4-15-16(19)6-9-20(2)17(15)7-10-21(20,24)18(23)12-22/h3,14-17,22,24H,4-12H2,1-2H3,(H,25,26,27)/t14?,15?,16?,17?,19-,20-,21-/m0/s1