Isomescaline
Isomescaline (IM), also known as 2,3,4-trimethoxyphenethylamine (2,3,4-TMPEA) or as TMPEA-3 or 2C-TMA-3, is a chemical compound of the phenethylamine and scaline families related to the psychedelic drug mescaline (3,4,5-trimethoxyphenethylamine; 2,3,4-TMPEA). It is one of several possible positional isomers of trimethoxyphenethylamine (TMPEA).