InChI=1S/C20H20N6O7S4.2Na/c1-7-10(3-11(27)28)37-20(22-7)36-5-8-4-34-17-13(16(30)26(17)14(8)18(31)32)24-15(29)12(25-33-2)9-6-35-19(21)23-9;;/h6,13,17H,3-5H2,1-2H3,(H2,21,23)(H,24,29)(H,27,28)(H,31,32);;/q;2*+1/p-2/b25-12-;;/t13-,17-;;/m1../s1