SEARCH Articles Figures Tables Acetylenecarboxylate Acetylenecarboxylates Acetylenecarboxylic acids Acetylenecarboxylic acids and esters, reactions with N-heterocyclic compounds Acetylenecarboxylic acids, reactions Acidic compounds, reaction Heterocycles reaction Heterocyclic acids Heterocyclic compounds acids with Heterocyclization reactions N-Heterocyclic compounds reaction of acetylenecarboxylic acids and esters with Reaction with heterocycles