InChI=1/C20H30N4O4/c1-13(2)18(23-9-7-14(3)8-10-23)12-21-19(25)20(26)22-16-6-5-15(4)17(11-16)24(27)28/h5-6,11,13-14,18H,7-10,12H2,1-4H3,(H,21,25)(H,22,26)/p+1/t18-/m0/s1/fC20H31N4O4/h21-23H/q+1 FFEAB28ED9D8B8CF