Alpha-D
Alpha-D, or α-D, also known as 3,4,5-trimethoxy-α,α-dideuterophenethylamine or as α,α-dideuteromescaline, is a psychedelic drug of the phenethylamine and scaline families related to mescaline. It is the isotopologue of mescaline in which the two hydrogen atoms at the α position have been replaced with the deuterium isotopes.