InChI=1/C22H14N2O4/c25-19-15-9-1-2-10-16(15)20(26)24(19)23-21(27)22(28)17-11-5-3-7-13(17)14-8-4-6-12-18(14)22/h1-12,28H,(H,23,27)/f/h23H 2E986C6193A9F5C5