InChI=1/C21H20N4O2/c1-3-25(4-2)17-9-8-15-11-18(20(23)26)21(27-19(15)12-17)24-16-7-5-6-14(10-16)13-22/h5-12H,3-4H2,1-2H3,(H2,23,26)/p+1/b24-21+/fC21H21N4O2/h24H,23H2/q+1/b 354F540FA846EF15