InChI=1/C18H16N6O2/c1-25-16-6-5-12(10-17(16)26-2)22-18-19-9-7-14(23-18)13-11-21-24-15(13)4-3-8-20-24/h3-11H,1-2H3,(H,19,22,23)/f/h22H 7627AE89D8EC8435