InChI=1/C13H16N2O5/c1-8(6-13(17)18)5-12(16)14-10-4-3-9(2)11(7-10)15(19)20/h3-4,7-8H,5-6H2,1-2H3,(H,14,16)(H,17,18)/p-1/t8-/m1/s1/fC13H15N2O5/h14H/q-1 54820BD386599519