InChI=1/C16H18N8/c1-10(2)9-13(16-18-11-5-3-4-6-12(11)19-16)17-14-7-8-15-20-22-23-24(15)21-14/h3-8,10,13H,9H2,1-2H3,(H,17,21)(H,18,19)/t13-/m1/s1/f/h17-18H DE303F11630015AE