amfetamine amphetamine, speed stimulant drug molecule. skeletal formula.

amfetamine amphetamine speed stimulant drug molecule skeletal formula amphetamin amfetamin methylphenethylamine phenethylamine wakefulness recreational performance enhancing sports doping dependence addiction overdose psychosis stimulating euphoria neurotransmitter ephedrine adhd attention deficit hyperactivity disorder narcolepsy psychostimulant appetite dextroamphetamine study pill athlete selegiline atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon vector