title: Photoaddition products of uracil and cysteine.
mesh_terms: D002250:Carbon Radioisotopes; D002852:Chromatography, Ion Exchange; D002854:Chromatography, Paper; D003545:Cysteine / Q000528:radiation effects*; D004355:Drug Stability; D006863:Hydrogen-Ion Concentration; D011830:Radiation Effects; D013056:Spectrophotometry, Ultraviolet; D013997:Time Factors; D014466:Ultraviolet Rays; D014498:Uracil / Q000528:radiation effects*
chemical_list: D002250:Carbon Radioisotopes; D014498:Uracil; D003545:Cysteine