What is "diethyltryptamine"

n. A psychedelic drug closely related to dimethyltryptamine.

DET, also known under its chemical name N,N-diethyltryptamine and as T-9, is a psychedelic drug closely related to DMT and 4-HO-DET. However, despite its structural similarity to DMT it is active orally around 50–100 mg without the aid of MAO inhibitors lasting about 2–4 hours.