僅用于工業(yè)應用或科學研究,不可用于人類或動物的臨床診斷或治療,非藥用.5-FU (5-Fluorouracil) is a DNA/RNA synthesis inhibitor, which interrupts nucleotide synthetic by inhibiting thymidylate synthase (TS) in tumor cells. Fluorouracil induces apoptosis and can be used in the treatment of HIV.