WHAT DOES WHAT IS THE DIFFERENCE BETWEEN 3-MMC AND 2-MMC? MEAN?

Cathinones are differentiated by their ketone substitution about the beta carbon on the amphetamine skeleton, that means They may be β-keto-amphetamines. 3-MMC has two methyl substitutions on its cathinone skeleton, one at R3 of the phenyl ring, plus a second at the nitrogen team RN.Mephedrone. "Not for human consumption. For technical use only. P