InChI=1/C17H13ClN2O5/c1-10-2-4-13(12(18)6-10)19-17(21)5-3-11-7-15-16(25-9-24-15)8-14(11)20(22)23/h2-8H,9H2,1H3,(H,19,21)/b5-3+/f/h19H DCBF4C23CE66D807