Used as a key building block in pharmaceutical synthesis, particularly in the development of central nervous system (CNS) agents. Its rigid, strained bicyclic structure imparts high selectivity and metabolic stability to drug candidates. Commonly employed in the design of serotonin and dopamine receptor modulators. Also utilized in agrochemicals for creating bioactive molecules with enhanced binding affinity. The hydrochloride salt improves solubility and crystallinity, facilitating formulation and purification in solid-state drug forms.