InChI=1/C18H26N4O2/c1-4-21(5-2)15-7-8-16(17(23)13-15)18(24)20-9-6-11-22-12-10-19-14(22)3/h7-8,10,12-13,23H,4-6,9,11H2,1-3H3,(H,20,24)/p+1/fC18H27N4O2/h19-20H/q+1 3C7A299A636FB904