InChI=1/C18H15ClN2O3/c1-11(22)14(10-20)18(23)21-16-8-7-12(9-15(16)19)13-5-3-4-6-17(13)24-2/h3-9,21,23H,1-2H3/p-1/b18-14-/fC18H14ClN2O3/h23h/q-1 500556BBB16EDA03