title: Reactivity of purine and pyrimidine bases toward singlet oxygen.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D009696:Nucleic Acids; D010100:Oxygen; D010777:Photochemistry; D011687:Purines; D011743:Pyrimidines
chemical_list: D009696:Nucleic Acids; D011687:Purines; D011743:Pyrimidines; D010100:Oxygen