dextroamphetamine sulphate: an isomer of amphetamine (trade name Dexedrine) used as a central nervous system stimulant
amphetamine: a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
dillenia: any of several evergreen trees or shrubs of the genus Dillenia grown for their foliage and nodding flowers resembling magnolias which are followed by fruit that is used in curries and jellies and preserves