InChI=1/C23H28N4O2/c28-22-12-11-19-20(24-22)9-4-10-21(19)25-23(29)27-16-14-26(15-17-27)13-5-8-18-6-2-1-3-7-18/h1-3,5-8,11-12,21H,4,9-10,13-17H2,(H,24,28)(H,25,29)/b8-5+/t21-/m1/s1/f/h24-25H 9F2E0345618EA59A