InChI=1/C20H14N2O7/c23-16-5-12-13-6-17(24)19(26)8-15(13)21(20(27)14(12)7-18(16)25)9-10-1-3-11(4-2-10)22(28)29/h1-8,23-26H,9H2	1B6369FF17F04BE6