InChI=1/C16H15NO5/c1-16(2)12(13(16)15(20)21)14(19)17-8-3-4-11-9(7-8)10(18)5-6-22-11/h3-7,12-13H,1-2H3,(H,17,19)(H,20,21)/p-1/t12-,13-/m0/s1/fC16H14NO5/h17H/q-1 D5E23A3BC0A28605