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

Cathinones are differentiated by their ketone substitution over the beta carbon from the amphetamine skeleton, meaning They may be β-keto-amphetamines. three-MMC has two methyl substitutions on its cathinone skeleton, a single at R3 with the phenyl ring, and a 2nd within the nitrogen team RN.The search wasn't restricted to a particular time period