SEARCH Articles Figures Tables Acid anhydrides amines Amine with anhydrides Amine with carboxylic acids Amines anhydrides Amines carboxylates Amines carboxylation Amines with acid anhydrides Carboxyl anhydride Carboxylic acid anhydrides Carboxylic acid anhydrides with ammonia and amines Carboxylic acids acid anhydrides Carboxylic amines Carboxylic anhydrides With anhydrides