Used in pharmaceutical research as a key intermediate in the synthesis of kinase inhibitors, particularly those targeting protein kinases involved in inflammatory diseases and cancer. Its structure allows for selective binding to enzyme active sites, making it valuable in developing drugs that modulate cell signaling pathways. Commonly modified at the N-position or the methyl group to enhance potency, solubility, and metabolic stability in drug candidates. Also explored in the development of central nervous system agents due to its ability to cross the blood-brain barrier.