WHAT DOES WHAT IS THE DIFFERENCE BETWEEN 3MMC AND 4MMC? MEAN?

Cathinones are differentiated by their ketone substitution about the beta carbon from the amphetamine skeleton, that means They are really β-keto-amphetamines. 3-MMC has two methyl substitutions on its cathinone skeleton, a single at R3 with the phenyl ring, and a second with the nitrogen team RN.Mephedrone. "Not for human usage. For specialized u