SEARCH Articles Figures Tables Anhydrides reactions Aromatic anhydrides Aromatic sulfonation Aromatic sulfonations Aromatics sulfonation P sulfones P- toluene P-toluene sulfonate Reaction sulfonates Sulfonate aromatic Sulfonated Aromatic Sulfonation reaction Sulfonic anhydrides Sulfonic aromatic Toluene reactions Toluene sulfonation Toluene-4-sulfonate Toluene-p-sulfonic anhydride, acetylFriedel-Crafts reaction