InChI=1/C15H16N6/c1-21(11-5-3-2-4-6-11)9-10-7-8-12-13(18-10)14(16)20-15(17)19-12/h2-8H,9H2,1H3,(H4,16,17,19,20)/p+1/fC15H17N6/h19H,16-17H2/q+1 F7C292060DE9D5CD