InChI=1/C22H22N4O4/c27-22(20-9-10-21(30-20)26(28)29)23-18-7-4-8-19(15-18)25-13-11-24(12-14-25)16-17-5-2-1-3-6-17/h1-10,15H,11-14,16H2,(H,23,27)/f/h23H 889D363CF0D1FB88