title: The use of methylene chloride and chloroform for the extraction of tertiary alkaloids from Strychnos species.
mesh_terms: D000470:Alkaloids / Q000302:isolation & purification; D002725:Chloroform; D002855:Chromatography, Thin Layer; D006846:Hydrocarbons, Halogenated; D010944:Plants / Q000032:analysis*; D012997:Solvents; D013331:Strychnine / Q000302:isolation & purification*
chemical_list: D000470:Alkaloids; D006846:Hydrocarbons, Halogenated; D012997:Solvents; D002725:Chloroform; D013331:Strychnine