InChI=1/C21H36N4O4/c1-7-20(3,4)23-17(26)14-25(15-18(27)24-21(5,6)8-2)12-11-22-19(28)16-10-9-13-29-16/h9-10,13H,7-8,11-12,14-15H2,1-6H3,(H,22,28)(H,23,26)(H,24,27)/p+1/fC21H37N4O4/h22-25H/q+1 890EA1CE3FA765BF