Noribogaminalog, or N-desmethylibogaminalog, also known as 1,2,3,4,5,6-hexahydroazepino[4,5-b]indole, is a chemical compound and parent structure of the ibogalog group of compounds. The ibogalogs that have been described include ibogaminalog, ibogainalog, noribogainalog, tabernanthalog, catharanthalog, fluorogainalog, LS-22925, PNU-22394, and PHA-57378, among others. The ibogalogs, specifically ibogainalog and analogues, were first described in the scientific literature by 1968.