title: Cactus alkaloids. XVI. Isolation and identification of alkaloids in Coryphantha ramillosa.
mesh_terms: D000470:Alkaloids / Q000032:analysis / Q000302:isolation & purification*; D055598:Chemical Phenomena; D002621:Chemistry; D002855:Chromatography, Thin Layer; D005374:Filtration; D005612:Freeze Drying; D008694:Methamphetamine / Q000302:isolation & purification; D010627:Phenethylamines / Q000302:isolation & purification; D010636:Phenols / Q000032:analysis; D010944:Plants / Q000032:analysis; D013056:Spectrophotometry, Ultraviolet
chemical_list: D000470:Alkaloids; D010627:Phenethylamines; D010636:Phenols; D008694:Methamphetamine