InChI=1/C20H30N4O4/c1-28-14-10-21-18(25)15-22-19(26)20(27)23-17-7-5-16(6-8-17)9-13-24-11-3-2-4-12-24/h5-8H,2-4,9-15H2,1H3,(H,21,25)(H,22,26)(H,23,27)/p+1/fC20H31N4O4/h21-24H/q+1 D4F3A5EEE1C211E9