to evaluate the effect of 1-hexylcarbamoyl-5-fluorouracil ( hcfu ) , a derivative of 5-fluorouracil ( 5-fu ) , in preventing postoperative recurrence of bladder cancer , a randomized controlled study with 1- ( 2-tetrahydrofuryl ) -5-fluorouracil ( tegafur ) as the reference standard was performed .
C0016360
5-fluorouracil
C0016778
tegafur