Used as an intermediate in the synthesis of pharmaceuticals, particularly in the development of bioactive compounds and drug candidates. Its rigid, nitrogen-rich heterocyclic structure makes it valuable in medicinal chemistry for enhancing binding affinity and metabolic stability. Commonly employed in the design of enzyme inhibitors and receptor modulators due to its favorable stereochemistry and ability to mimic peptide motifs. Also explored in agrochemicals and functional materials for its structural uniqueness and hydrogen-bonding capacity.