仅用于工业应用或科学研究,不可用于人类或动物的临床诊断或治疗,非药用.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.