InChI=1/C20H28N4O4/c1-2-3-11-27-12-13-28-15-17-5-4-6-18(14-17)23-20(26)19(25)22-8-10-24-9-7-21-16-24/h4-7,9,14,16H,2-3,8,10-13,15H2,1H3,(H,22,25)(H,23,26)/p+1/fC20H29N4O4/h21-23H/q+1 DA081F94AFE3836F