Uridine Isomer (5-Ribosyluracil) in Human Urine

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Science  02 Oct 1959:
Vol. 130, Issue 3379, pp. 862-863
DOI: 10.1126/science.130.3379.862


A substance isolated from human urine by anion exchange absorption and paper chromatography was found to correspond in its ultraviolet absorption spectrum and chromatographic mobilities with a uridine isomer (5-ribosyluracil) recently described as a component of yeast ribonucleic acid.