SEARCH Articles Figures Tables Carboxylic acids reactions Pyrrole 2-carboxylate Pyrrole acidity Pyrrole carboxylic acids, reactions Pyrrole reactions Pyrrole, carboxylation Pyrrole-3-carboxylic acid, acidity Pyrrole-carboxylic acids Pyrroles 3- carboxylic acids Pyrroles carboxylation Pyrroles reaction Pyrrolic acids Reimer Reimer-Tiemann Reimer-Tiemann reaction Tiemann reaction