InChI=1/C13H12ClNO6S/c1-2-3-4-21-13(18)12-8(14)6-5-7(16)10(17)9(15(19)20)11(6)22-12/h5,16-17H,2-4H2,1H3/p-1/fC13H11ClNO6S/h17h/q-1 931CFFE2186B26D8