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/h12-15,18,22,25H,3-11H2,1-2H3,(H,26,27,28)/t12?,13?,14?,15?,18?,19-,20-,21-/m0/s1