title: FREE RADICALS IN ALKALOIDAL COLOR IDENTIFICATION TESTS.
mesh_terms: D001058:Apomorphine; D001554:Benzene; D002626:Chemistry, Pharmaceutical; D003061:Codeine; D005609:Free Radicals; D008614:Meperidine; D009020:Morphine; D010208:Papaverine; D010604:Pharmacy; D010636:Phenols; D012106:Research; D020156:Salicylic Acid; D013053:Spectrophotometry
chemical_list: D005609:Free Radicals; D010636:Phenols; D009020:Morphine; D008614:Meperidine; D010208:Papaverine; D001554:Benzene; D001058:Apomorphine; D020156:Salicylic Acid; D003061:Codeine
keywords: APOMORPHINE; BENZENE; CHEMISTRY, PHARMACEUTICAL; CODEINE; EXPERIMENTAL LAB STUDY; MEPERIDINE; MORPHINE; PAPAVERINE; PHENOLS; SALICYLIC ACID; SPECTROPHOTOMETRY