Used as a key intermediate in the synthesis of various pharmaceutical compounds, particularly in the development of antihypertensive and antiviral agents. Its hydrazine and pyrimidine functionalities allow for versatile chemical modifications, making it valuable in constructing heterocyclic systems found in active drug molecules. Commonly employed in medicinal chemistry for building blocks in kinase inhibitors and antimicrobial agents. Also utilized in agrochemical research for designing novel pesticides due to its ability to enhance bioactivity in final compounds.