InChI=1/C18H18N6O2/c1-25-13-6-4-12(5-7-13)8-9-20-15-11-16-22-17(14-3-2-10-26-14)23-24(16)18(19)21-15/h2-7,10-11,20H,8-9H2,1H3,(H2,19,21)/f/h19H2 F51207F5299C5C28