InChI=1/C12H19N3O4/c1-3-14(4-2)9-5-8-13-12(16)10-6-7-11(19-10)15(17)18/h6-7H,3-5,8-9H2,1-2H3,(H,13,16)/p+1/fC12H20N3O4/h13-14H/q+1 751C22839BB4CE8F