InChI=1S/C18H28O9S/c1-2-3-4-7-13(27-28(23,24)25)10-11-16-14(8-5-6-9-17(20)21)15(19)12-18(22)26-16/h5-6,10-11,13-14,16,18,22H,2-4,7-9,12H2,1H3,(H,20,21)(H,23,24,25)/b6-5-,11-10+