InChI=1/C23H22N4O/c1-3-16(4-2)22(28)27-23-25-20(17-11-7-5-8-12-17)19(15-24)21(26-23)18-13-9-6-10-14-18/h5-14,16H,3-4H2,1-2H3,(H,25,26,27,28)/f/h27H B2AF9292F4D82E45