InChI=1/C15H14N4O4S2/c1-10(11-5-3-6-12(9-11)19(20)21)18(2)25(22,23)14-8-4-7-13-15(14)17-24-16-13/h3-10H,1-2H3/t10-/m1/s1 3888675ADF768FCB