InChI=1/C18H30N4O2/c1-4-21(5-2)18(23)19-16-6-8-17(9-7-16)22-12-10-20(11-13-22)14-15-24-3/h6-9H,4-5,10-15H2,1-3H3,(H,19,23)/p+1/fC18H31N4O2/h19-20H/q+1 973E42BBECC314C9