title: Structure and formation of free radicals in irradiated single crystals of nucleic acid constituents.
mesh_terms: D000225:Adenine; D001463:Barbiturates; D001973:Bromodeoxyuridine; D003460:Crystallization; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D006147:Guanine; D007065:Idoxuridine; D008968:Molecular Conformation; D009963:Orotic Acid; D011687:Purines / Q000528:radiation effects*; D011743:Pyrimidines / Q000528:radiation effects*; D011830:Radiation Effects; D013329:Structure-Activity Relationship; D013941:Thymine; D014498:Uracil
chemical_list: D001463:Barbiturates; D005609:Free Radicals; D011687:Purines; D011743:Pyrimidines; D014498:Uracil; D006147:Guanine; D009963:Orotic Acid; D001973:Bromodeoxyuridine; D000225:Adenine; D007065:Idoxuridine; D013941:Thymine