SEARCH Articles Figures Tables 1,2,4-Triazine derivatives, pyrimidine base 1,2,4-Triazine derivatives, pyrimidine base analogs Acetonitrile pyrimidine bases Acid dissociation constant purine and pyrimidine bases Aza analogs, of pyrimidine and purine bases Aza-analogs of pyrimidine bases Base Pairing in the Purine and Pyrimidine Crystal Structures Base-Pair Configurations with Purine and Pyrimidine Homo-Association Bases purine and pyrimidine Conformational Flexibility of Pyrimidine Ring in Nucleic Acid Bases Deoxyribonucleic acid purine and pyrimidine bases Effect of Pyrimidine Bases Films pyrimidine bases Nucleic acid bases , pyrimidine ring Nucleic acid bases , pyrimidine ring flexibility Nucleic acid bases , pyrimidine ring imidazole rings Nucleic acids pyrimidine bases Oligonucleotide pyrimidine base Photodimerization pyrimidine bases Properties of Purine and Pyrimidine Bases Purine-pyrimidine base pairing Purine-pyrimidine base pairs Purine-pyrimidine base pairs mismatch Pyrimidine , bases, resonance Pyrimidine , bases, resonance stabilization Pyrimidine Nucleoside Bases, Purines, Nucleotides, Nucleosides, and Nucleic Acids Pyrimidine base definition Pyrimidine base solutions, pulse radiolysis Pyrimidine base structure Pyrimidine bases absorption spectra Pyrimidine bases aza analogs Pyrimidine bases cytosine Pyrimidine bases derivation Pyrimidine bases hydrogen-bonding possibilities Pyrimidine bases modification Pyrimidine bases names Pyrimidine bases nomenclature Pyrimidine bases of DNA Pyrimidine bases thymine Pyrimidine bases, fluorescence Pyrimidine bases, photochemical Pyrimidine bases, photochemical dimerization Pyrimidine bases, properties Pyrimidine bases, reversible Pyrimidine bases, reversible photodimerization Pyrimidine bases, ribonucleic acid Pyrimidine nitrogenous base Pyrimidine nucleoside bases and purines Pyrimidines base-catalyzed Pyrimidines base-catalyzed hydrogen exchange Pyrimidines bases in DNA Pyrimidines bases, in nucleic acids Ribonucleic acid purine and pyrimidine bases Solubility purine and pyrimidine bases Watson-Crick purine-pyrimidine base With Acylating Agents Followed by Acids, Bases, or Hydrogen Peroxide (for Pyrimidin-4-ones)