InChI=1/C21H22N4O/c1-14-6-3-4-8-17(14)21-24-19(26-25-21)13-22-11-10-16-12-23-20-15(2)7-5-9-18(16)20/h3-9,22H,10-13H2,1-2H3/p+2/fC21H24N4O/h22-23H/q+2 9D25FD1716E4E86F