InChI=1/C20H36N4O2/c1-16-8-3-4-10-18(16)21-20(26)22-19(25)15-24-13-7-9-17(24)14-23-11-5-2-6-12-23/h16-18H,2-15H2,1H3,(H2,21,22,25,26)/p+1/t16-,17+,18-/m0/s1/fC20H37N4O2/h21-23H/q+1 675FC6E7C09F86BE