methylphenidate attention-deficit hyperactivity disorder adhd drug molecule. skeletal formula.

methylphenidate attentiondeficit hyperactivity disorder adhd drug molecule skeletal formula methyl phenidate methylphenidat stimulant narcolepsy dexmethylphenidate threo extended release dopaminenorepinephrine reuptake inhibitor blocker dextrorotary psychostimulant obesity slimming abuse carbon hydrogen oxygen nitrogen atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon vector