SEARCH Articles Figures Tables Acid dissociation Acid dissociation constants acids Acid dissociation constants and Acid-Base dissociation constants Acid-base dissociation Acidic dissociation constants Acids and, acidity constants Acids dissociation constants And acidity constant And dissociation Base dissociation constant Base-dissociation constant and Bases purine and pyrimidine Dissociation acids and bases Dissociation bases Purine acid purines Purine acidity Purine bases Purines, pyrimidines Pyrimidine bases