InChI=1S/C21H32O8S/c1-19-7-5-13(29-30(26,27)28)9-12(19)3-4-14-15-6-8-21(25,17(24)11-22)20(15,2)10-16(23)18(14)19/h3,13-16,18,22-23,25H,4-11H2,1-2H3,(H,26,27,28)/t13?,14?,15?,16?,18?,19-,20-,21-/m0/s1