title: Differential labelling of the thio, carboxymethyl and methyl substituents of 2-thio-5-carboxymethyluridine methyl ester, a trace nucleoside constituent of yeast transfer RNA.
mesh_terms: D000085:Acetates / Q000378:metabolism; D002247:Carbon Isotopes; D002848:Chromatography, DEAE-Cellulose; D003470:Culture Media; D003553:Cystine / Q000378:metabolism
chemical_list: D000085:Acetates; D002247:Carbon Isotopes; D003470:Culture Media; D003553:Cystine