InChI=1/C26H20N2O5/c29-25-18-8-4-5-9-20(18)27-23-19(25)13-28(26(30)31-14-16-6-2-1-3-7-16)24(23)17-10-11-21-22(12-17)33-15-32-21/h1-12,24H,13-15H2,(H,27,29)/t24-/m1/s1/f/h27H EB0DFBF5B84EA606