InChI=1/C11H6Cl2N2O3S/c12-5-1-2-7(6(13)3-5)14-9(16)4-8-10(17)15-11(18)19-8/h1-4H,(H,14,16)(H,15,17,18)/b8-4-/f/h14-15H 9DBD7D4E5377B7FD