InChI=1/C20H18N4O/c21-19-18-16(14-7-3-1-4-8-14)11-24(20(18)23-13-22-19)17(12-25)15-9-5-2-6-10-15/h1-11,13,17,25H,12H2,(H2,21,22,23)/t17-/m0/s1/f/h21H2 B1BA8CBFB7224142