InChI=1/C13H16N4O2S/c1-7-3-9-10(4-8(7)2)17(5-11(14)18)13(16-9)20-6-12(15)19/h3-4H,5-6H2,1-2H3,(H2,14,18)(H2,15,19)/f/h14-15H2 8A5E13402BDA79A7