InChI=1/C18H18N6O2/c1-23(11-12-5-7-13(25-2)8-6-12)15-10-16-20-17(14-4-3-9-26-14)22-24(16)18(19)21-15/h3-10H,11H2,1-2H3,(H2,19,21)/f/h19H2 805DB1F93D1D3F96