Setiptilin sadrži tetracikličnustrukturu. On jeanalogmijanserina imirtazapina. Setiptilin jedelta(13b,4a),4a-karba-mianserin, dok je mirtazapin 6-aza-mianserin.
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^Mizota, M.; Oikawa, Y.; Nakayama, K.; Mizuguchi, K.; Takarada, T.; Kojima, M.; Kanehiro, H.; Funato, H.; Kayamoto, M. (1986). „Pharmacological Studies of MO-8282, a New Antidepressant”.Nihon yakurigaku zasshi. Folia Pharmacologica Japonica.88 (6): 457—466.PMID2881854.
^Przegaliński, E.; Baran, L.; Siwanowicz, J.; Rawłów, A. (1986). „The Lack of Antidepressant Properties and a Potent Central Antiserotonin Activity of Org 8282”.Polish Journal of Pharmacology and Pharmacy.38 (4): 377—384.PMID3774630.