title: The determination of the acid dissociation constants of barbiturates by an accurate method of pH measurement. II. Correlations between normal and n-methylated barbiturates.
mesh_terms: D001463:Barbiturates; D055598:Chemical Phenomena; D002621:Chemistry; D006863:Hydrogen-Ion Concentration; D011199:Potentiometry; D011522:Protons
chemical_list: D001463:Barbiturates; D011522:Protons