InChI=1/C21H18N4O3/c1-24-19(14-7-8-16-17(12-14)23-10-9-22-16)18(20(26)25(24)2)13-5-4-6-15(11-13)21(27)28-3/h4-12H,1-3H3 057602B39E6739E1