title: Free radicals in pyrimidines: ESR studies of irradiated amobarbital (5-ethyl-5-isoamylbarbituric acid).
mesh_terms: D000654:Amobarbital / Q000528:radiation effects*; D003037:Cobalt Radioisotopes; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D005720:Gamma Rays; D013696:Temperature; D014965:X-Rays
chemical_list: D003037:Cobalt Radioisotopes; D005609:Free Radicals; D000654:Amobarbital