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