title: Prebiotic formation of cytidine nucleotides.
mesh_terms: D001669:Biochemical Phenomena; D001671:Biochemistry; D002850:Chromatography, Gel; D003597:Cytosine Nucleotides / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D012260:Ribonucleases
chemical_list: D003597:Cytosine Nucleotides; D012260:Ribonucleases