InChI=1/C21H20N4O3/c26-19(10-9-14-11-13-5-1-3-7-17(13)23-20(14)27)24-25-21(28)16-12-22-18-8-4-2-6-15(16)18/h1-8,12,14,22H,9-11H2,(H,23,27)(H,24,26)(H,25,28)/t14-/m0/s1/f/h23-25H F703D8D27000EB59