InChI=1/C25H20N2O7/c28-22(27-25(30)26-17-6-8-19-21(12-17)32-10-9-31-19)14-34-23(29)11-16-13-33-20-7-5-15-3-1-2-4-18(15)24(16)20/h1-8,12-13H,9-11,14H2,(H2,26,27,28,30)/f/h26-27H C434DD8C909EA463