InChI=1/C21H19N5O/c1-14-11-18(8-10-24-14)21(19(27)26(2)20(22)25-21)17-7-3-5-15(12-17)16-6-4-9-23-13-16/h3-13H,1-2H3,(H2,22,25)/p+1/t21-/m0/s1/fC21H20N5O/h25H,22H2/q+1 BF13192D20C12E46