Purification of N-trifluoroacetyl amino acid n-butyl esters for analysis by gas chromatography.
D000409:Alanine / Q000032:analysis; D000596:Amino Acids / Q000032:analysis*; D002247:Carbon Isotopes; D002845:Chromatography; D002849:Chromatography, Gas
D000596:Amino Acids; D002247:Carbon Isotopes; D000409:Alanine