SEARCH Articles Figures Tables Acidic carbonyl Acids carboxyl group Add anhydrides Anhydride groups Carbonyl carboxylate Carbonyls acid anhydride Carboxyl anhydride Carboxyl groups acidity Carboxylic acid anhydrides Carboxylic acid anhydrides, carbonylation Carboxylic acid groups Carboxylic acids acid anhydrides Carboxylic add Carboxylic anhydrides