N,N-DPT is a novel synthetic tryptamine and is the dipropyl structural homologue of N,N-dimethyltryptamine (DMT). Placebo-controlled, human clinical trials have indicated dipropyltryptamine as a potentially beneficial adjunct in the psychotherapeutic treatment of terminally ill cancer patients   , as well as alcoholics   . It is NOT intended for human consumption, and is strictly for laboratory reagent or forensic analysis purposes ONLY. It is available only as the hydrochloride salt. All prices are listed in Canadian dollars.
 – Richards, William A., John C. Rhead, Stanislav Grof, Louis E. Goodman, Francesco Di Leo, and Lockwood Rush. “DPT as an Adjunct in Brief Psychotherapy with Cancer Patients.” OMEGA–Journal of Death and Dying 10.1 (1979): 9-26. Web.
 – Richards, W. A. (1978). Mystical and archetypal experiences of terminal patients in DPT-assisted psychotherapy. Journal of Religion and Health, 17, 117–126.
 – Richards, W. A., Rhead, J. C., DiLeo, F. B., Yensen, R., & Kurland, A. A. (1977). The peak experience variable in DPT-assisted psychotherapy with cancer patients. Journal of Psychedelic Drugs, 9, 1–10.
 – Grof, S., Soskin, R. A., Richards, W. A., & Kurland, A. A. (1973). DPT as an adjunct in psychotherapy of alcoholics. International Pharmacopsychiatry, 8, 104–115.
 – Rhead, J. C., Soskin, R. A., Turek, I., Richards, W. A., Yensen, R., Kurland, A. A., & Ota, K. Y. (1977). Psychedelic drug (DPT)-assisted psychotherapy with alcoholics: A controlled study. Journal of Psychedelic Drugs, 9, 287–300.
 – Soskin, R. A., Grof, S., & Richards, W. A. (1973). Low doses of Dipropyltryptamine in psychotherapy. Archives of General Psychiatry, 28, 817–821