L67 is primarily utilized in research settings, particularly in the study of apoptosis and cell signaling pathways. It functions as an inhibitor of Bcl-2 proteins, which play a crucial role in regulating programmed cell death. By inhibiting these proteins, L67 helps researchers understand the mechanisms of apoptosis and its implications in diseases such as cancer. This compound is also employed in experimental studies to explore potential therapeutic strategies targeting anti-apoptotic proteins, aiming to enhance the effectiveness of treatments like chemotherapy. Its application is largely confined to laboratory environments, where it serves as a valuable tool for advancing knowledge in cellular biology and oncology.