InChI=1/C18H18N6/c1-13-12-16(14-8-4-2-5-9-14)21-18(20-13)22-17(19)24-23-15-10-6-3-7-11-15/h2-12,23H,1H3,(H3,19,20,21,22,24)/f/h24H,19H2 2F8E151D5E70741E