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