InChI=1/C21H20N4O3/c1-15-5-7-16(8-6-15)20-14-17(4-3-13-24(27)21(22)26)23-25(20)18-9-11-19(28-2)12-10-18/h5-12,14,27H,13H2,1-2H3,(H2,22,26)/f/h22H2 648F0557C2D6DB91