InChI=1/C21H31N5O4/c1-15(2)22-20(29)21(30)26-11-9-25(10-12-26)19(28)14-24(4)13-18(27)23-17-7-5-16(3)6-8-17/h5-8,15H,9-14H2,1-4H3,(H,22,29)(H,23,27)/p+1/fC21H32N5O4/h22-24H/q+1 E31E256CD4F6D248