InChI=1S/C20H32O10S/c1-2-3-5-8-14(27-23)11-12-15-17-13-18(29-28-17)20(15)16(30-31(24,25)26)9-6-4-7-10-19(21)22/h6,9,11-12,14-18,20,23H,2-5,7-8,10,13H2,1H3,(H,21,22)(H,24,25,26)/b9-6-,12-11+