title: [Infrared spectrophotometry of acid and neutral reacting drugs. 3. Hydantoins and purine derivatives].
mesh_terms: D000042:Absorption; D000577:Amides / Q000032:analysis; D006827:Hydantoins / Q000032:analysis*; D011687:Purines / Q000032:analysis*; D013055:Spectrophotometry, Infrared; D013329:Structure-Activity Relationship
chemical_list: D000577:Amides; D006827:Hydantoins; D011687:Purines
vernacular_title: IR-Untersuchungen sauer und neutral reagierender Arzneimittel. 3.