Summary
Aqueous solutions of ammonium cyanide yield urea, cyanamide and guanidine when exposed to sunlight or an unfiltered 254 muµ ultraviolet source. The prebiotic significance of these results is discussed.
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Lohrmann, R. Formation of urea and guanidine by irradiation of ammonium cyanide. J Mol Evol 1, 263–269 (1972). https://doi.org/10.1007/BF01660246
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DOI: https://doi.org/10.1007/BF01660246