InChI=1/C22H16N2O4/c25-21(16-9-5-2-6-10-16)20-19(15-7-3-1-4-8-15)23(20)22(26)17-11-13-18(14-12-17)24(27)28/h1-14,19-20H/t19-,20+,23?/m0/s1	3D53DF9018DC8095