InChI=1/C22H22N4O2/c1-14(2)26-11-18(20-21(23)24-13-25-22(20)26)15-7-9-17(10-8-15)28-19-6-4-3-5-16(19)12-27/h3-11,13-14,27H,12H2,1-2H3,(H2,23,24,25)/f/h23H2 56D6EF4F8BBF1F80