4-AcO-EiPT

4-AcO-EiPT, also known as 4-acetoxy-N-ethyl-N-isopropyltryptamine or as ethipracetin, is a psychedelic drug of the tryptamine and 4-hydroxytryptamine families related to 4-AcO-DMT. It is the acetate ester of 4-HO-EiPT and a skeletal isomer of 4-AcO-EPT. The drug is taken orally. It is said to be similar in effects to 5-MeO-DiPT, producing psychedelic and mild stimulant effects. The pharmacology and toxicity of 4-AcO-EiPT have not been studied, but it is assumed that it acts on serotonin receptors. 4-AcO-EiPT was first discussed online in 2011. It was encountered as a novel designer drug being sold by online vendors in early 2022.