SEARCH Articles Figures Tables 7,6-Acetylenecarboxylic acid esters Acetylenecarboxylate Acetylenecarboxylates Acetylenecarboxylic acids Acetylenecarboxylic acids and esters, reactions with Acetylenecarboxylic acids and esters, reactions with N-heterocyclic compounds Acetylenecarboxylic acids, reactions Acetylenecarboxylic acids, reactions with heterocyclic compounds Acidic compounds, reaction Compounds acids and Esters compounds Heterocycles reaction Heterocyclic acids Heterocyclic compounds acids with Heterocyclic compounds esters with Heterocyclic compounds reaction of acetylenecarboxylic acids Heterocyclic compounds reactions of acetylenecarboxylic Heterocyclic compounds, and Heterocyclization reactions N- esters N-Heterocyclic compounds and esters with N-Heterocyclic compounds esters with N-Heterocyclic compounds reaction of acetylenecarboxylic acids N-Heterocyclic compounds reaction of acetylenecarboxylic acids and N-compounds N-heterocycles reactions Of N-heterocycles Reaction with heterocycles Reactions of Esters Reactions of heterocycles