InChI=1/C20H20N4O5S2/c25-8-10-29-9-7-23-31(27,28)14-3-1-13(2-4-14)21-11-15-18-16(24-20(15)26)5-6-17-19(18)30-12-22-17/h1-6,11-12,23-26H,7-10H2/p-1/fC20H19N4O5S2/h26h/q-1 C3D35C5E27F24530