InChI=1/C11H10ClN3O2/c1-6-7(2)15(5-13-6)9-4-3-8(12)10(14-9)11(16)17/h3-5H,1-2H3,(H,16,17)/p-1/fC11H9ClN3O2/q-1 7ABCEA4C2E4B908D