[1] Itzhak Y, et al. Binding of umespirone to the σ receptor: Evidence for multiple affinity states[J]. Neuropharmacology, 1990, 29(2): 181-184.
[2] Barnes NM, et al. The effects of umespirone as a potential anxiolytic and antipsychotic agent. Pharmacol Biochem Behav. 1991 Sep;40(1):89-96. DOI:
10.1016/0091-3057(91)90326-w