InChI=1/C22H20N4O4/c1-13-10-15(17-4-2-3-5-18(17)24-13)12-30-16-8-6-14(7-9-16)20(27)23-11-19-21(28)26-22(29)25-19/h2-10,19H,11-12H2,1H3,(H,23,27)(H2,25,26,28,29)/t19-/m0/s1/f/h23,25-26H 25332B898DD2DB9B