InChI=1/C18H24N4O3/c23-22(24)25-13-5-10-19-11-12-20-18-14-6-1-3-8-16(14)21-17-9-4-2-7-15(17)18/h1,3,6,8,19H,2,4-5,7,9-13H2,(H,20,21)/p+2/fC18H26N4O3/h19-21H/q+2 1E0ED8059BEC8239