InChI=1S/C17H24O9S/c1-9-4-5-16(7-24-27(20,21)22)11(6-9)26-14-12(25-10(2)18)13(19)15(16,3)17(14)8-23-17/h6,11-14,19H,4-5,7-8H2,1-3H3,(H,20,21,22)