InChI=1/C14H16N2O4/c1-14(2,3)12(19)9(17)8-10(18)13(20)16-11-6-4-5-7-15-11/h4-8,18H,1-3H3,(H,15,16,20)/p-1/b10-8-/fC14H15N2O4/h18h,20H/q-1/b10-8-,16-13? 7258ABEE59142E95