SEARCH Articles Figures Tables 3-Keto esters 7-Keto-3-dicarboxylic acid esters A-Keto-/?-dicarboxylic---- acid esters Esters, carboxylic acid keto Keto acids, esterification esters Keto esters via oxalic acid derivatives Keto-acids, allyl esters, and rearrangement Oxalic acid synthesis of a-keto esters