Butylone consists of a methyl substitution at RN, a substitution and that is shared with MDEA, ethylone, four-MEC, and specific other stimulants and entactogens. In addition, butylone has substitutions at R3 and R4 from the phenyl ring with oxygen teams. These oxygen groups are included right into a methylenedioxy ring https://citychemiststore.com/product/buy-fentanyl-pills-online/