Sanchez R A, Ferris J P, Orgel L E
Science. 1966 Nov 11;154(3750):784-5. doi: 10.1126/science.154.3750.784.
Cyanoacetylene is a major nitrogen-containing product of the action of an electric discharge on a mixture of methane and nitrogen. It reacts with simple inorganic substances in aqueous solution to give products including asparticacid, asparagine, and cytosine.