title: Recovery of pyrimidine-base derivatives in gas chromatography.
mesh_terms: D000327:Adsorption; D002250:Carbon Radioisotopes; D002849:Chromatography, Gas; D005069:Evaluation Studies as Topic; D008697:Methane; D008722:Methods; D012825:Silicon; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D013696:Temperature; D013941:Thymine / Q000031:analogs & derivatives* / Q000302:isolation & purification; D013997:Time Factors; D014498:Uracil / Q000031:analogs & derivatives* / Q000302:isolation & purification
chemical_list: D002250:Carbon Radioisotopes; D014498:Uracil; D008697:Methane; D013941:Thymine; D012825:Silicon