InChI=1/C20H30N4O2/c1-16-7-9-17(10-8-16)21-20(26)22-19(25)15-24-13-5-6-18(24)14-23-11-3-2-4-12-23/h7-10,18H,2-6,11-15H2,1H3,(H2,21,22,25,26)/p+1/t18-/m1/s1/fC20H31N4O2/h21-23H/q+1 A73B162D1D5FF8D2