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In The Journal, June 19, 1948, page 756, in reply to a query concerning "dexedrine," it was erroneously stated that "dexedrine" is the same substance as d-desoxyephedrine. "Dexedrine" is not d-desoxyephedrine. It is the dextrorotary isomer of amphetamine: 1-phenyl-2-amino-propane. There appears to be considerable confusion between these two drugs, doubtless due in part to the fact that they are related in chemical structure and are both dextrorotary.
Dexedrine. JAMA. 1948;137(13):1142. doi:10.1001/jama.1948.02890470042018