InChI=1/C13H12N4O2S/c1-6-3-4-9-8(5-6)10(12(19)14-9)16-17-13-15-11(18)7(2)20-13/h3-5,7H,1-2H3,(H,14,16,19)(H,15,17,18)/t7-/m1/s1/f/h14-15H/b16-10-,17-13+ 919872455EE54B5F