InChI=1/C15H16N6O2S/c1-21(2)15-19-12(18-14(16)20-15)9-24(22,23)13-8-7-10-5-3-4-6-11(10)17-13/h3-8H,9H2,1-2H3,(H2,16,18,19,20)/f/h16H2 683DD716F2EE33C8