InChI=1S/C22H18N6O4/c23-20-19-18(27-21(28(19)12-11-25-20)15(29)8-9-17(30)31)13-4-6-14(7-5-13)22(32)26-16-3-1-2-10-24-16/h1-7,10-12H,8-9H2,(H2,23,25)(H,30,31)(H,24,26,32)