InChI=1/C18H16N6O2/c1-10-4-5-13(8-16(10)24(25)26)22-18-20-7-6-14(23-18)17-11(2)15(9-19)21-12(17)3/h4-8,21H,1-3H3,(H,20,22,23)/f/h22H 79840709ADE481BC