InChI=1/C11H9ClN2O3/c1-2-5-13-11(17)14-7-3-4-8(10(15)16)9(12)6-7/h1,3-4,6H,5H2,(H,15,16)(H2,13,14,17)/p-1/fC11H8ClN2O3/h13-14H/q-1 81C27EEBD01A54F2