InChI=1S/C21H32O8S/c1-3-21(25)10-16(23)18-14-5-4-12-8-13(29-30(26,27)28)9-17(24)19(12,2)15(14)6-7-20(18,21)11-22/h9,12,14-16,18,22-23,25H,3-8,10-11H2,1-2H3,(H,26,27,28)/t12?,14?,15?,16?,18?,19-,20+,21+/m0/s1