Nucleoside synthesis under potentially prebiotic conditions.
D000225:Adenine; D003596:Cytosine; D006147:Guanine; D009705:Nucleosides / Q000096:biosynthesis*; D010429:Pentoses
D009705:Nucleosides; D010429:Pentoses; D006147:Guanine; D003596:Cytosine; D000225:Adenine