InChI=1/C20H20N4O4/c1-11(2)21-20(28)23-16-7-5-4-6-15(16)22-17(25)12-8-9-13-14(10-12)19(27)24(3)18(13)26/h4-11H,1-3H3,(H,22,25)(H2,21,23,28)/f/h21-23H	24A04F0A31D1FC20