InChI=1/C13H20N4O3/c1-13(2,16(3)4)8-15-12(18)9-5-6-10(14)11(7-9)17(19)20/h5-7H,8,14H2,1-4H3,(H,15,18)/p+1/fC13H21N4O3/h15-16H/q+1 98A35BEC2DC94CEF