two-MMC, three-CEC, and 3-FMC are all artificial stimulants from the cathinone family members, but they may have unique chemical buildings, industry histories, and risk profiles.⚗️ 2-MMC (2-Methylmethcathinone)two-MMC is a hoop-substituted artificial cathinone and also a structural isomer of the more properly-known 3-MMC and 4-MMC (mephedrone)