InChI=1S/C20H32O10S/c1-2-3-5-8-14(27-23)11-12-16-15(18-13-19(16)29-28-18)9-6-4-7-10-17(20(21)22)30-31(24,25)26/h4,6,11-12,14-19,23H,2-3,5,7-10,13H2,1H3,(H,21,22)(H,24,25,26)/b6-4-,12-11+