two-MMC, 3-CEC, and 3-FMC are all synthetic stimulants from your cathinone family, but they've distinctive chemical buildings, marketplace histories, and possibility profiles.⚗️ two-MMC (2-Methylmethcathinone)two-MMC is a hoop-substituted synthetic cathinone and a structural isomer of the greater effectively-known 3-MMC and 4-MMC (mephedrone) .