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dex·meth·yl·phen·i·date | \ ˌdeks-ˌmeth-əl-ˈfen-ə-ˌdāt 
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\Medical Definition of dexmethylphenidate
: a mild stimulant of the central nervous system C14H19NO2·HCl that is administered orally to treat attention deficit disorder
Note: Dexmethylphenidate is the dextrorotatory enantiomer of methylphenidate. It is marketed under the trademark Focalin.
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