mephedrone 4-mmc, 4-methylmethcathinone, 4-methylephedrone stimulant drug molecule er drug. skeletal formula.

mephedrone stimulant drug molecule designer skeletal formula mephedron methylmethcathinone 4mmc methylephedrone amphetamine cathinone drone meow teeth grinding stimulation euphoria bubbles recreational use banned substance abuse legal high hydrogen carbon nitrogen oxygen atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon vector