InChI=1/C21H22N4O3/c1-14-4-2-3-5-18(14)23-21(28)25-24-19(26)13-8-15-6-9-16(10-7-15)20(27)22-17-11-12-17/h2-10,13,17H,11-12H2,1H3,(H,22,27)(H,24,26)(H2,23,25,28)/b13-8+/f/h22-25H BD260624BC6EB802