[Structural changes in ephedrine during its isolation].
D055598:Chemical Phenomena; D002621:Chemistry; D002849:Chromatography, Gas; D004809:Ephedrine / Q000652:urine*; D005554:Forensic Medicine; D006801:Humans; D013058:Mass Spectrometry; D019966:Substance-Related Disorders / Q000175:diagnosis
D004809:Ephedrine
Strukturní zmĕny efedrinu pri jeho izolaci.