2,6-Dimethoxyphenethylamine
2,6-Dimethoxyphenethylamine (2,6-DMPEA), also known as DMPEA-5, is a drug of the phenethylamine family related to the psychedelic drug mescaline (3,4,5-trimethoxyphenethylamine). It is one of the positional isomers of dimethoxyphenethylamine.
Source: Wikipedia — 2,6-Dimethoxyphenethylamine (CC BY-SA 4.0)