InChI=1/C21H16N2O5/c1-26-12-8-10-14-16(21(25)23-20(14)24)13-9-6-4-5-7-11(9)22-17(13)15(10)19(28-3)18(12)27-2/h4-8,22H,1-3H3,(H,23,24,25)/f/h23H	E7AA2DB4E48B72FE