Quantitative gas-liquid chromatographic
β
C. Pantarotto; R. Fanelli; S. Filippeschi; T. Facchinetti; F. Spreafico; M. Salm
π
Article
π
1979
π
Elsevier Science
π
English
β 413 KB
A method developed for measuring the antitumor agent ftorafur and its biotransformation product Muorouracil was applied to biological specimens. After extraction with ethylacetate, ftorafur, S-fluorouracil, and the internal standard 2-methyl-4-hydroxy-6-chloromethylpyrimidine are converted to their