InChI=1/C22H26N4O4/c27-22(18-5-8-20(21(15-18)26(28)29)25-9-1-2-10-25)23-19-6-3-17(4-7-19)16-24-11-13-30-14-12-24/h3-8,15H,1-2,9-14,16H2,(H,23,27)/f/h23H 7CB4C9DF8B72B646