InChI=1/C12H11ClN2O3/c1-6-4-7(13)5-8-9(6)18-3-2-12(8)10(16)14-11(17)15-12/h4-5H,2-3H2,1H3,(H2,14,15,16,17)/t12-/m1/s1/f/h14-15H 0E8A87AA80D0724F