Charge exchange mass spectra of morphine and tropane alkaloids.
D003932:Heroin / Q000032:analysis; D013058:Mass Spectrometry; D009020:Morphine / Q000032:analysis*; D009022:Morphine Derivatives / Q000032:analysis*; D014326:Tropanes / Q000032:analysis*
D009022:Morphine Derivatives; D014326:Tropanes; D003932:Heroin; D009020:Morphine