InChI=1/C13H8Cl2N2O5S/c14-8-4-5-11(12(15)6-8)13(18)16-23(21,22)10-3-1-2-9(7-10)17(19)20/h1-7H,(H,16,18)/p-1/fC13H7Cl2N2O5S/q-1 EA2D4974DBDD03D1