InChI=1S/C25H21N3O3/c29-20-10-6-18(7-11-20)15-24(31)28-25-22(14-17-4-2-1-3-5-17)27-23(16-26-25)19-8-12-21(30)13-9-19/h1-13,16,29-30H,14-15H2,(H,26,28,31)