InChI=1S/C20H32O9S/c1-3-4-7-10-16(29-30(26,27)28)13-14-18(20(24)25)17(15(2)21)11-8-5-6-9-12-19(22)23/h5,8,13-14,16-18H,3-4,6-7,9-12H2,1-2H3,(H,22,23)(H,24,25)(H,26,27,28)/b8-5-,14-13+