InChI=1/C12H8Cl2N2O3/c13-6-1-2-8(9(14)3-6)12-15-7(5-11(18)19)4-10(17)16-12/h1-4H,5H2,(H,18,19)(H,15,16,17)/p-1/fC12H7Cl2N2O3/h15H/q-1 B9C9E5D607EA366B