InChI=1/C21H20N4O/c22-18(9-17-12-25-21-4-2-1-3-20(17)21)14-26-19-10-16(11-24-13-19)15-5-7-23-8-6-15/h1-8,10-13,18,25H,9,14,22H2/p+1/t18-/m0/s1/fC21H21N4O/h22H/q+1 68615E5746854746