ftorafur , a fluorinated pyrimidine nucleoside antimetabolite , is metabolized by the beagle dog and rhesus monkey to 5-fluorouracil , which is subsequently biotransformed to the corresponding nucleosides , to alpha-fluoro-beta-ureidopropionic acid , to urea and to co2 .
C0034287
pyrimidine nucleoside
C0028621
nucleosides