InChI=1/C18H20N6O/c1-3-5-6-14-21-17-15(19-11-20-17)18-22-16(23-24(14)18)12-7-9-13(10-8-12)25-4-2/h7-11H,3-6H2,1-2H3,(H,19,20)/f/h20H B6BBCE25655846AF