InChI=1S/C10H16O8S/c11-9(12)6-4-2-1-3-5-8(7-10(13)14)18-19(15,16)17/h3,5,8H,1-2,4,6-7H2,(H,11,12)(H,13,14)(H,15,16,17)/b5-3-