InChI=1/C14H20N2O3/c1-16(9-11-4-2-3-7-19-11)10-5-6-13(15)12(8-10)14(17)18/h5-6,8,11H,2-4,7,9,15H2,1H3,(H,17,18)/p-1/t11-/m0/s1/fC14H19N2O3/q-1 DD899144B005FE89