InChI=1S/C21H32O8S/c1-11(22)21(25)17(24)9-15-14-5-4-12-8-13(29-30(26,27)28)6-7-19(12,2)18(14)16(23)10-20(15,21)3/h4,13-18,23-25H,5-10H2,1-3H3,(H,26,27,28)/t13?,14?,15?,16?,17?,18?,19-,20-,21+/m0/s1