title: Radicals in irradiated monocrystals of the base-pair complex 9-ethyl adenine: 1-methyl uracil.
mesh_terms: D000225:Adenine / Q000031:analogs & derivatives / Q000528:radiation effects*; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D005615:Freezing; D011830:Radiation Effects; D014498:Uracil / Q000031:analogs & derivatives / Q000528:radiation effects*; D014965:X-Rays
chemical_list: D005609:Free Radicals; D014498:Uracil; D000225:Adenine