InChI=1/C14H11ClN2O4/c1-14(5-8(18)19)9-6(3-2-4-7(9)15)10-11(14)17-13(21)12(20)16-10/h2-4H,5H2,1H3,(H,16,20)(H,17,21)(H,18,19)/p-1/t14-/m0/s1/fC14H10ClN2O4/h16-17H/q-1 E5A268FA2EEF032E