InChI=1/C28H21N5O/c1-19-25-24-17-23(21-13-7-3-8-14-21)31-33(24)27(22-15-9-4-10-16-22)29-26(25)28(34)32(30-19)18-20-11-5-2-6-12-20/h2-17H,18H2,1H3 6BE2F1B277C7E83F