InChI=1/C21H32N4O4/c1-14-9-20(2,3)13-21(10-14)18(27)25(19(28)23-21)12-17(26)22-11-15(24(4)5)16-7-6-8-29-16/h6-8,14-15H,9-13H2,1-5H3,(H,22,26)(H,23,28)/p+1/t14-,15-,21+/m0/s1/fC21H33N4O4/h22-24H/q+1 9C169DEA4B2E2326