InChI=1/C17H13ClN2O3/c1-20-16(22)13-5-3-2-4-12(13)14(17(20)23)15(21)19-11-8-6-10(18)7-9-11/h2-9,23H,1H3,(H,19,21)/p-1/fC17H12ClN2O3/h23h,19H/q-1 BBEBF22583672C89