InChI=1/C21H20N4O3/c1-13-11-15(9-10-22-13)23-19(26)14-5-4-6-16(12-14)25-21(28)18-8-3-2-7-17(18)20(27)24-25/h2-6,9-12,17-18H,7-8H2,1H3,(H,24,27)(H,22,23,26)/t17-,18-/m0/s1/f/h23-24H 86442A755483BCAB