InChI=1/C13H8Cl3NO3S/c14-8-2-1-3-10(6-8)21(19,20)17-13(18)11-5-4-9(15)7-12(11)16/h1-7H,(H,17,18)/p-1/fC13H7Cl3NO3S/q-1 66120A0A19447ED5