InChI=1S/C17H20O10S/c1-3-4-9-5-14(19)25-12-7-11(18)10-6-13(26-16(10)15(9)12)17(2,27-20)8-24-28(21,22)23/h5,7,13,18,20H,3-4,6,8H2,1-2H3,(H,21,22,23)