2,3,5,6-Tetramethoxyamphetamine

2,3,5,6-Tetramethoxyamphetamine (2,3,5,6-TeMA), also known as TeMA-3, is a chemical compound of the phenethylamine and amphetamine families related to the psychedelic drug mescaline (3,4,5-trimethoxyphenethylamine). It was first described in the scientific literature by Alexander Shulgin and colleagues in 1969, but had not been synthesized or assessed by them at that time.