InChI=1/C13H7F5O3S/c1-6-2-4-7(5-3-6)22(19,20)21-13-11(17)9(15)8(14)10(16)12(13)18/h2-5H,1H pentafluorophenyl 4-methylbenzenesulfonate phenol, pentafluoro-, 4-methylbenzenesulfonate