InChI=1/C13H10N4O3S2/c1-6-11(22-17-16-6)12(18)15-13-14-7-4-8-9(5-10(7)21-13)20-3-2-19-8/h4-5H,2-3H2,1H3,(H,14,15,18)/f/h15H 391EC8DBE3E591A3