InChI=1/C22H20N4O4/c1-14-9-16(13-30-2)18(10-23)22(29)26(14)12-21(28)25-24-11-19-17-6-4-3-5-15(17)7-8-20(19)27/h3-9,11,27H,12-13H2,1-2H3,(H,25,28)/b24-11+/f/h25H 2E7B672A1FDCE6DB