Used in pharmaceutical research as a potent and selective inhibitor of interleukin-1 receptor-associated kinase 4 (IRAK4), playing a key role in modulating innate immune signaling pathways. It is investigated for its potential in treating autoimmune diseases, inflammatory conditions, and certain cancers where IRAK4 activity contributes to disease progression. Its structure enables high target affinity and improved metabolic stability, making it a valuable tool compound in early drug discovery and target validation studies.