title: Effect of ring substituents on the apparent partition coefficients application of Hammett equation.
mesh_terms: D002626:Chemistry, Pharmaceutical; D004339:Drug Compounding; D006571:Heterocyclic Compounds / Q000494:pharmacology; D007408:Intestinal Absorption / Q000187:drug effects; D008433:Mathematics; D011726:Pyridinium Compounds / Q000494:pharmacology; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology; D011804:Quinolines; D011806:Quinolinium Compounds / Q000494:pharmacology; D013053:Spectrophotometry
chemical_list: D006571:Heterocyclic Compounds; D011726:Pyridinium Compounds; D000644:Quaternary Ammonium Compounds; D011804:Quinolines; D011806:Quinolinium Compounds