Butylone consists of a methyl substitution at RN, a substitution that's shared with MDEA, ethylone, four-MEC, and selected other stimulants and entactogens. In addition, butylone is made up of substitutions at R3 and R4 from the phenyl ring with oxygen groups. These oxygen groups are incorporated into a methylenedioxy ring https://jamesc667nkh4.wikiexpression.com/user