InChI=1/C18H20N8/c1-4-5-21-18-22-7-12(8-23-18)15-11(2)16(13-9-24-26(3)10-13)25-17(20)14(15)6-19/h7-10H,4-5H2,1-3H3,(H2,20,25)(H,21,22,23)/f/h21H,20H2 87F830D7D503B1B6