Butylone consists of a methyl substitution at RN, a substitution which is shared with MDEA, ethylone, 4-MEC, and sure other stimulants and entactogens. On top of that, butylone contains substitutions at R3 and R4 on the phenyl ring with oxygen groups. These oxygen groups are included right into a methylenedioxy ring via a methylene chain. Butylone