title: N5-Formyltetrahydrofolate (citrovorum factor) labeled stereospecifically with deuterium or tritium at carbon-6.
mesh_terms: D002848:Chromatography, DEAE-Cellulose / Q000379:methods; D003903:Deuterium; D007553:Isotope Labeling / Q000379:methods; D002955:Leucovorin / Q000302:isolation & purification; D009249:NADP / Q000302:isolation & purification; D014316:Tritium
chemical_list: D014316:Tritium; D009249:NADP; D003903:Deuterium; D002955:Leucovorin