InChI=1S/C12H16N2O8S2/c1-5(15)23-7(11(19)20)3-9(17)13-14-10(18)4-8(12(21)22)24-6(2)16/h7-8H,3-4H2,1-2H3,(H,13,17)(H,14,18)(H,19,20)(H,21,22)