measurements of the activity of the entire enzymatic pathway of uracil catabolism in the cytosolic supernatant of different rat organs as well as the determination of the total amount of 5-fluorouracil catabolites , accumulated in these tissues , served to clarify their role in the complete systemic breakdown of uracil or 5-fluorouracil .
C0041917
uracil
C0016360
5-fluorouracil