InChI=1S/C12H21NO12S2/c1-3-12(2,19)4-5(13-25-27(20,21)22)26-24-11-8(16)6(14)7(15)9(23-11)10(17)18/h6-9,11,14-16,19H,3-4H2,1-2H3,(H,17,18)(H,20,21,22)/b13-5+