InChI=1/C21H26N4O4/c1-2-29-13-5-11-23-19(26)17-7-3-8-18(14-17)25-21(28)20(27)24-12-9-16-6-4-10-22-15-16/h3-4,6-8,10,14-15H,2,5,9,11-13H2,1H3,(H,23,26)(H,24,27)(H,25,28)/f/h23-25H 24D0462BB0BC62EA