InChI=1/C25H26N4O4/c1-33-17-7-5-16(6-8-17)23-22-24(28-27-23)18-3-2-4-19(21(18)25(22)32)26-20(31)13-29-11-9-15(14-30)10-12-29/h2-8,15,30H,9-14H2,1H3,(H,26,31)(H,27,28)/p+1/fC25H27N4O4/h26,28-29H/q+1 EC531CF205C10565