SEARCH Articles Figures Tables Diels acid Diels-Alder reaction acids Diels-Alder synthesis Malonates, acidity Malonic acid Malonic acid / Malonate Malonic acid acidity Malonic acid acids Malonic acid, methylenediesters Malonic acid, methylenediesters Diels-Alder reactions Malonic synthesis Retro Diels-Alder reaction Retro-Diels-Alder Retro-reaction Synthesis Diels-Alder reaction