InChI=1/C12H10ClN3O4S/c13-8-2-6(1-7-3-19-5-20-9(7)8)4-21-11-10(17)14-12(18)16-15-11/h1-2H,3-5H2,(H2,14,16,17,18)/p-1/fC12H9ClN3O4S/h14H/q-1 574F6BD5E23342D6