2,3,5,6-Tetramethoxyphenethylamine

2,3,5,6-Tetramethoxyphenethylamine (2,3,5,6-TeMPEA), also known as TeMPEA-3, is a drug of the phenethylamine family related to the psychedelic drug mescaline (3,4,5-trimethoxyphenethylamine). It is one of the possible positional isomers of tetramethoxyphenethylamine (TeMPEA).