InChI=1/C27H22N2O6/c1-2-13-33-19-9-6-17(7-10-19)24-23(26(31)27(32)29(24)22-5-3-4-12-28-22)25(30)18-8-11-20-21(16-18)35-15-14-34-20/h2-12,16,24,31H,1,13-15H2/p-1/t24-/m1/s1/fC27H21N2O6/h31h/q-1 43B5379BDA883448