InChI=1/C20H16N2O6/c1-11-6-18(23)28-16-8-13(3-4-14(11)16)22-20(25)19(24)21-9-12-2-5-15-17(7-12)27-10-26-15/h2-8H,9-10H2,1H3,(H,21,24)(H,22,25)/f/h21-22H	FF27E1C56355D21D