InChI=1/C12H13ClN2O4S/c1-2-5-20(18,19)9-4-3-7(13)6-8(9)10-11(16)15-12(17)14-10/h3-4,6,10H,2,5H2,1H3,(H2,14,15,16,17)/t10-/m0/s1/f/h14-15H 2CE74F1AC4C9A8A0