InChI=1/C13H12N4O3S2/c1-21-13-16-7-3-2-6(4-9(7)22-13)14-10(18)5-8-11(19)17-12(20)15-8/h2-4,8H,5H2,1H3,(H,14,18)(H2,15,17,19,20)/t8-/m0/s1/f/h14-15,17H DDCDDB8E0F1E76A1