InChI=1/C18H34N4O2/c1-21-10-8-16(9-11-21)22-12-6-15(7-13-22)20-18(24)19-14-2-4-17(23)5-3-14/h14-17,23H,2-13H2,1H3,(H2,19,20,24)/p+1/fC18H35N4O2/h19-20,22H/q+1 EC6C3939958B1138