^McCarthy JR, Wright DL, Schuster AJ, Abdallah AH, Shea PJ, Eyster R. New bicyclic antidepressant agent. Synthesis and activity of napactadine and related compounds. Journal of Medicinal Chemistry. November 1985, 28 (11): 1721–7. PMID 4067998. doi:10.1021/jm00149a031.
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Jr James R Mccarthy, US3903163 (1975 to Dow Chemical Co).