Used primarily in scientific research to study the pharmacology of the NMDA receptor system, particularly as a glycine site antagonist. It helps investigate the role of NMDA receptor modulation in conditions such as schizophrenia, depression, and neurodegenerative diseases. Due to its high selectivity, it is valuable in behavioral and neurochemical studies in animal models, aiding the development of novel therapeutics targeting glutamatergic signaling. Not intended for human use or clinical application.