4-Methyl-α-ethyltryptamine4-Methyl-α-ethyltryptamine is a drug of the tryptamine and α-alkyltryptamine families. It is a designer drug and has been sold online as a "research chemical".ChemistryAnaloguess of 4-methyl-AET include α-ethyltryptamine, 4-methyl-AMT, 4-methyl-DMT, 5-fluoro-AET, 7-methyl-AET, 7-chloro-AMT, and RS134-49, among others.Society and cultureLegal statusSingapore4-Me-AET is illegal in Singapore.