Butylone has a methyl substitution at RN, a substitution which can be shared with MDEA, ethylone, 4-MEC, and particular other stimulants and entactogens. Also, butylone includes substitutions at R3 and R4 with the phenyl ring with oxygen groups. These oxygen groups are integrated into a methylenedioxy ring by way of a methylene chain. Butylone shar… Read More