SEARCH Articles Figures Tables Carboxylic esters from Esters from carboxylic acids From carboxylic acids From pyrroles Pyrrole 2-carboxylate Pyrrole Carboxylic Acid Esters Pyrrole acidity Pyrrole carboxylic esters Pyrrole esters Pyrrole, carboxylation Pyrrole-2-carboxylic acid esters, from ketone Pyrrole-2-carboxylic acid esters, from pyrrol-2-yl trichloromethyl ketone Pyrrole-3-carboxylic acid, acidity Pyrrole-carboxylic acids Pyrroles 3- carboxylic acids Pyrroles carboxylation Pyrrolic acids