InChI=1/C23H22N4O/c1-16-8-6-10-19(14-16)27-23(26-12-4-5-13-26)20(15-24-27)22(28)25-21-11-7-9-17(2)18(21)3/h4-15H,1-3H3,(H,25,28)/f/h25H 193A00658D7CBE93