meth·yl·phen·i·date (mĕth′əl-fĕnĭ-dāt′, -fēnĭ-)
A drug, C14H19NO2, chemically related to amphetamine, that acts as a mild stimulant of the central nervous system and is used in its hydrochloride form to treat attention deficit hyperactivity disorder and narcolepsy.
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