InChI=1/C20H18N8O4/c1-11(12-6-8-14(29)9-7-12)22-24-20(30)16-17(13-4-3-5-15(10-13)31-2)28(27-23-16)19-18(21)25-32-26-19/h3-10,22,29H,1H2,2H3,(H2,21,25)(H,24,30)/f/h24H,21H2 7AAFD9687E37FCE5