title: Photochemical reactions of cytosine nucleosides in frozen aqueous solution in deoxyribonucleic acid.
mesh_terms: D002854:Chromatography, Paper; D003516:Cycloparaffins; D004247:DNA / Q000528:radiation effects*; D006863:Hydrogen-Ion Concentration; D006868:Hydrolysis; D007259:Infrared Rays; D010777:Photochemistry; D011830:Radiation Effects; D012996:Solutions; D013053:Spectrophotometry; D013936:Thymidine / Q000528:radiation effects; D014466:Ultraviolet Rays; D014498:Uracil / Q000032:analysis
chemical_list: D003516:Cycloparaffins; D012996:Solutions; D014498:Uracil; D004247:DNA; D013936:Thymidine