InChI=1S/C27H20N4O3/c1-16(26(32)30-15-17-8-11-28-12-9-17)34-18-6-7-23-22(14-18)20-10-13-29-24-19-4-2-3-5-21(19)27(33)31(23)25(20)24/h2-14,16H,15H2,1H3,(H,30,32)