different between ephedrine vs notpseudoephedrine

English

From ephedra +? -ine.

ephedrine (countable and uncountable, plural ephedrines)

(biochemistry, pharmacology) A crystalline alkaloid drug C₁₀H₁₅NO obtained from a Chinese ephedra (Ephedra sinica) or synthesized that has the physiological action of epinephrine. It causes constriction of the blood vessels and widening of the bronchial passages and is used in the form of its hydrochloride or sulfate to relieve asthma and hay fever.

“ephedrine”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.
“ephedrine”, in Merriam–Webster Online Dictionary, (Please provide a date or year).

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