title: Free radicals in irradiated nitro-substituted pyrimidines.
mesh_terms: D001463:Barbiturates / Q000528:radiation effects; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D009574:Nitro Compounds / Q000528:radiation effects; D009963:Orotic Acid / Q000528:radiation effects; D011743:Pyrimidines / Q000528:radiation effects*; D011830:Radiation Effects; D013696:Temperature; D014498:Uracil / Q000528:radiation effects
chemical_list: D001463:Barbiturates; D005609:Free Radicals; D009574:Nitro Compounds; D011743:Pyrimidines; D014498:Uracil; D009963:Orotic Acid