title: TLC separation of drug alkaloids.
mesh_terms: D000470:Alkaloids / Q000302:isolation & purification*; D002110:Caffeine / Q000302:isolation & purification; D002855:Chromatography, Thin Layer; D008722:Methods; D011803:Quinine / Q000302:isolation & purification; D013331:Strychnine / Q000302:isolation & purification
chemical_list: D000470:Alkaloids; D002110:Caffeine; D011803:Quinine; D013331:Strychnine