InChI=1/C12H11ClN2O3/c1-6-3-9(18-2)7(4-8(6)13)10-11(12(16)17)15-5-14-10/h3-5H,1-2H3,(H,14,15)(H,16,17)/p-1/fC12H10ClN2O3/h14H/q-1 BF20FF748E198BF1