InChI=1/C20H32N4O4/c1-15(2)14-22-18(25)16-6-8-17(9-7-16)23-20(27)19(26)21-10-5-11-24(3)12-13-28-4/h6-9,15H,5,10-14H2,1-4H3,(H,21,26)(H,22,25)(H,23,27)/p+1/fC20H33N4O4/h21-24H/q+1 23CC802CCB0202D2