title: Azulene analogs of pharmacologic agents. I. Amides.
mesh_terms: D000577:Amides / Q000138:chemical synthesis*; D002845:Chromatography; D007259:Infrared Rays; D011342:Procainamide; D013053:Spectrophotometry; D014466:Ultraviolet Rays
chemical_list: D000577:Amides; D011342:Procainamide