SEARCH Articles Figures Tables Esters p-toluenesulfonates P Toluenesulfonic esters P-Toluenesulfonate P-Toluenesulfonates P-Toluenesulfonic acid P-Toluenesulfonic acid acidity P-Toluenesulfonic acid esters Toluenesulfonates Toluenesulfonic acid Tosyl esters Tosylate esters