InChI=1/C15H11ClN2O3/c1-8-2-3-9(16)6-11(8)13-5-4-10(21-13)7-12-14(19)18-15(20)17-12/h2-7H,1H3,(H2,17,18,19,20)/p-1/b12-7-/fC15H10ClN2O3/h17H/q-1 B9C3484A06E3869B