2,3,4,5-Tetramethoxyphenethylamine

2,3,4,5-Tetramethoxyphenethylamine (TeMPEA or 2,3,4,5-TeMPEA), also known as 2-methoxymescaline, is a drug of the phenethylamine family related to mescaline (3,4,5-trimethoxyphenethylamine) and the 2C drugs (4-substituted 2,5-dimethoxyphenethylamines). It was reported to be twice as potent as mescaline in producing behavioral changes in animals.