InChI=1/C11H13NO4/c1-16-11(15)8-9(13)6-4-2-3-5-7(6)12-10(8)14/h2-5H2,1H3,(H2,12,13,14)/p-1/fC11H12NO4/h12H/q-1 D1557A08E82F7645