title: Cactus alkaloids. XXIX. Isolation of beta-phenenthylamines from Coryphantha greenwoodii.
mesh_terms: D000470:Alkaloids / Q000302:isolation & purification; D008800:Mexico; D010627:Phenethylamines / Q000302:isolation & purification*; D010946:Plants, Medicinal / Q000032:analysis*
chemical_list: D000470:Alkaloids; D010627:Phenethylamines