InChI=1/C21H22N4O2/c1-14(2)23-21(27)25-19-10-8-18(9-11-19)24-20(26)17(13-22)12-16-6-4-15(3)5-7-16/h4-12,14H,1-3H3,(H,24,26)(H2,23,25,27)/b17-12+/f/h23-25H FBD0231AA1D9B87C