Rauwolfia alkaloids; fractionation by countercurrent distribution.
D000959:Antihypertensive Agents; D003377:Countercurrent Distribution; D046948:Secologanin Tryptamine Alkaloids / Q000032:analysis*
D000959:Antihypertensive Agents; D046948:Secologanin Tryptamine Alkaloids
RAUWOLFIA ALKALOIDS/determination