InChI=1/C21H20N4O2/c1-13(2)17-11-18-16(10-20(26)27-19(18)9-14(17)3)12-25-23-21(22-24-25)15-7-5-4-6-8-15/h4-11,13H,12H2,1-3H3 2FDDEEEAC3E43B23