two-MMC, 3-CEC, and 3-FMC are all synthetic stimulants in the cathinone family, but they have got distinct chemical buildings, market place histories, and hazard profiles.⚗️ two-MMC (two-Methylmethcathinone)two-MMC is a hoop-substituted synthetic cathinone plus a structural isomer of the more properly-regarded 3-MMC and four-MMC (mephedrone) .M