title: Procion yellow and catecholamine derivatives. Chemical relationships.
mesh_terms: D002395:Catecholamines / Q000032:analysis; D055598:Chemical Phenomena; D002621:Chemistry; D002855:Chromatography, Thin Layer; D004396:Coloring Agents; D004298:Dopamine / Q000032:analysis; D005557:Formaldehyde / Q000032:analysis; D007546:Isoquinolines / Q000032:analysis; D009638:Norepinephrine / Q000032:analysis; D013056:Spectrophotometry, Ultraviolet
chemical_list: D002395:Catecholamines; D004396:Coloring Agents; D007546:Isoquinolines; D005557:Formaldehyde; D004298:Dopamine; D009638:Norepinephrine