僅用于工業應用或科學研究，不可用于人類或動物的臨床診斷或治療，非藥用.Tenofovir Disoproxil Fumarate （Tenofovir DF,GS-1278 Disoproxil Fumarate） belongs to a class of antiretroviral drugs, it inhibits the activity of HIV reverse transcriptase by competing with the natural substrate deoxyadenosine 5’-triphosphate and, after incorporation into DNA, by DNA chain termination.