InChI=1S/C12H20N2O12S/c15-5(3-14-4-6(16)9(14)12(21)22)8(11(19)20)13-2-1-7(10(17)18)26-27(23,24)25/h5-9,13,15-16H,1-4H2,(H,17,18)(H,19,20)(H,21,22)(H,23,24,25)