[The Marquis reaction of morphine (author's transl)].
D055598:Chemical Phenomena; D002621:Chemistry; D003124:Colorimetry; D005557:Formaldehyde; D009682:Magnetic Resonance Spectroscopy; D009020:Morphine; D013056:Spectrophotometry, Ultraviolet; D013464:Sulfuric Acids
D013464:Sulfuric Acids; D005557:Formaldehyde; D009020:Morphine
Die Farbreaktion des Morphins nach E. Marquis.