InChI=1/C20H30N4O4/c1-23(12-13-28-2)10-5-9-21-19(26)20(27)22-17-7-3-6-16(14-17)15-24-11-4-8-18(24)25/h3,6-7,14H,4-5,8-13,15H2,1-2H3,(H,21,26)(H,22,27)/p+1/fC20H31N4O4/h21-23H/q+1 3BF254D0C6BC89B7