InChI=1/C20H28N4O4/c1-24(11-13-27-2)10-5-9-21-20(26)22-15-16-6-3-7-17(14-16)23-19(25)18-8-4-12-28-18/h3-4,6-8,12,14H,5,9-11,13,15H2,1-2H3,(H,23,25)(H2,21,22,26)/p+1/fC20H29N4O4/h21-24H/q+1 5884D4CA46977E50