InChI=1/C26H21N3O5/c1-28-20-5-3-2-4-18(20)25(30)19-13-29(26(31)32-14-16-8-10-27-11-9-16)23(24(19)28)17-6-7-21-22(12-17)34-15-33-21/h2-12,23H,13-15H2,1H3/t23-/m0/s1 3C5B5CB266E2C4C3