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