SEARCH Articles Figures Tables Ethyl-p-toluene sulfonate Metho p-toluene sulfonate P sulfones P- toluene P-toluene-sulfonic acid Pyridinium p-toluene sulfonate Sodium p-toluene-sulfonate Toluene sulfonation Toluene-4-sulfonate Toluene-p-sulfonic anhydride, acetylFriedel-Crafts reaction Toluene-p-sulfonic anhydride, acetylFriedel-Crafts reaction bimolecular aromatic