InChI=1/C13H12N4O2S/c1-7(11(14)18)20-13-17-16-12(19-13)9-6-15-10-5-3-2-4-8(9)10/h2-7,15H,1H3,(H2,14,18)/t7-/m0/s1/f/h14H2 021F507B42FD5BE6