InChI=1/C22H24N4O/c1-21(2)16(13-9-6-5-7-10-13)17(22(3,4)26-21)20-24-15-12-8-11-14(19(23)27)18(15)25-20/h5-12,26H,1-4H3,(H2,23,27)(H,24,25)/f/h24H,23H2 C9B1B2C3B6DE4F3F