title: Synthesis of valine and isoleucine in primitive earth conditions.
mesh_terms: D000096:Acetone; D003486:Cyanides; D007532:Isoleucine / Q000138:chemical synthesis*; D007659:Ketones; D009570:Nitriles; D011108:Polymers; D014633:Valine / Q000138:chemical synthesis*
chemical_list: D003486:Cyanides; D007659:Ketones; D009570:Nitriles; D011108:Polymers; D007532:Isoleucine; D000096:Acetone; D014633:Valine