InChI=1S/C26H23N3O/c30-26(19-9-10-24-18(17-19)11-12-27-24)29-15-13-28(14-16-29)25-22-7-3-1-5-20(22)21-6-2-4-8-23(21)25/h1-12,17,25,27H,13-16H2