InChI=1/C21H20N4O2/c1-12(2)27-21(26)19-14(4)25-20(23-22-19)18(13(3)24-25)17-11-7-9-15-8-5-6-10-16(15)17/h5-12H,1-4H3 DF631B9078DFD94D