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Butylone is made up of a methyl substitution at RN, a substitution which happens to be shared with MDEA, ethylone, 4-MEC, and specific other stimulants and entactogens. On top of that, butylone contains substitutions at R3 and R4 in the phenyl ring with oxygen groups. These oxygen groups are integrated right into a methylenedioxy ring by way of a m