SEARCH Articles Figures Tables Cellulose esters Esters cellulosics Esters p-toluenesulfonates P Toluenesulfonic esters P-Toluenesulfonate P-Toluenesulfonates P-Toluenesulfonic acid P-Toluenesulfonic acid acidity P-Toluenesulfonic acid esters P-cellulose Starch ester Toluenesulfonates Toluenesulfonic acid