InChI=1/C20H18N4O2/c1-11(25)21-15-6-4-5-14-16(15)20(26)17-18(22-23-19(14)17)12-7-9-13(10-8-12)24(2)3/h4-10H,1-3H3,(H,21,25)(H,22,23)/f/h21-22H CDF0CB8AFD8105A6