InChI=1/C18H30N4O2/c1-3-11-22-17(23)7-6-16(20-22)18(24)19-10-4-5-12-21-13-8-15(2)9-14-21/h6-7,15H,3-5,8-14H2,1-2H3,(H,19,24)/p+1/fC18H31N4O2/h19,21H/q+1 72E3F507D91BC133