InChI=1/C18H18N6O/c25-18(14-3-6-16(20-11-14)21-15-4-5-15)22-17-7-9-24(23-17)12-13-2-1-8-19-10-13/h1-3,6-11,15H,4-5,12H2,(H,20,21)(H,22,23,25)/f/h21-22H 0CA837F039D62C39