InChI=1/C12H9ClN2O3/c13-6-1-3-9-8(5-6)14-12(18-9)7-2-4-10(16)15-11(7)17/h1,3,5,7H,2,4H2,(H,15,16,17)/t7-/m1/s1/f/h15H D4B6357BC33ADEF8