InChI=1S/C11H21NO9S3/c13-5-6-8(14)9(15)10(16)11(20-6)23-7(3-1-2-4-22)12-21-24(17,18)19/h6,8-11,13-16,22H,1-5H2,(H,17,18,19)/b12-7+