title: A novel synthesis of 4-hydroxycoumarin-3-carboxamides.
mesh_terms: D000577:Amides / Q000138:chemical synthesis; D002264:Carboxylic Acids / Q000138:chemical synthesis; D003374:Coumarins / Q000138:chemical synthesis*; D008722:Methods
chemical_list: D000577:Amides; D002264:Carboxylic Acids; D003374:Coumarins