sentences:  First introduced in 1950 by Smith, Kline & French (SKF), Dexamyl was marketed as an anorectic obesity medication as well as an anxiolytic and antidepressant medication that did not cause agitation.Racemic amphetamine sulfate had already been marketed over-the-counter (OTC) since 1933 as an nasal decongestant inhaler device under the brand name Benzedrine, and also as an oral tablet since 1938.Dexamyl utilized its enantiopure isomer of greater central nervous system (CNS) selectivity, dextroamphetamine sulfate, to elevate mood and suppress appetite, whereas the concomitant barbiturate was included to broadly counteract potential adverse effects from dextroamphetamine.