Cathinones are differentiated by their ketone substitution around the beta carbon with the amphetamine skeleton, meaning They can be β-keto-amphetamines. three-MMC has two methyl substitutions on its cathinone skeleton, 1 at R3 with the phenyl ring, and a second with the nitrogen group RN.

Cathinones are differentiated by their ketone substitution around the beta carbon with the amphetamine skeleton, meaning They can be β-keto-amphetamines. three-MMC has two methyl substitutions on its cathinone skeleton, 1 at R3 with the phenyl ring, and a second with the nitrogen team RN.