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