the effects on the central nervous system ( cns ) of mice and rats were determined for the 5-fluorouracil prodrugs , l- ( 2-tetrahydrofuranyl ) -5-fluorouracil ( ft ) , a combination of ft and uracil in a molar ratio of 1:4 ( uft ) , and l-hexylcarbamoyl-5-fluorouracil ( hcfu ) .
C0041917
uracil
C0016360
fluorouracil