title: Relations between molecular structure 6501 and biological activity: stages in the evolution of current concepts.
mesh_terms: D000166:Acridines / Q000494:pharmacology; D001671:Biochemistry / Q000266:history; D002614:Chelating Agents / Q000494:pharmacology; D004798:Enzymes; D049672:History, 19th Century; D049673:History, 20th Century; D008055:Lipids / Q000494:pharmacology; D010600:Pharmacology / Q000266:history*; D010636:Phenols; D011725:Pyridines; D011804:Quinolines / Q000494:pharmacology; D011941:Receptors, Adrenergic; D011950:Receptors, Cholinergic; D011955:Receptors, Drug; D013329:Structure-Activity Relationship; D013449:Sulfonamides / Q000494:pharmacology; D014295:Trimethoprim
chemical_list: D000166:Acridines; D002614:Chelating Agents; D004798:Enzymes; D008055:Lipids; D010636:Phenols; D011725:Pyridines; D011804:Quinolines; D011941:Receptors, Adrenergic; D011950:Receptors, Cholinergic; D011955:Receptors, Drug; D013449:Sulfonamides; D014295:Trimethoprim