L4 is widely used in the pharmaceutical industry as a key intermediate in the synthesis of various active pharmaceutical ingredients (APIs). Its unique structure allows it to act as a building block for the development of drugs targeting specific diseases, particularly in the areas of oncology and infectious diseases. Additionally, L4 is utilized in research laboratories for studying biochemical pathways and developing novel therapeutic agents. Its versatility also extends to the field of material science, where it is employed in the creation of advanced polymers and coatings with specialized properties. In industrial settings, L4 serves as a catalyst or additive in chemical reactions to enhance efficiency and yield.