Are there alternatives to ethyl 1H-pyrrolo[3,2-b]pyridine-2-carboxylate in synthesis?

While ethyl 1H-pyrrolo[3,2-b]pyridine-2-carboxylate (CAS: 17288-32-3) is a specific compound, alternatives in synthesis may include other pyridine derivatives or similar heterocyclic compounds. Common alternative reagents such as different carboxylic acids or various amine derivatives can be explored to achieve similar molecular structures and functionalities.