tenofovir

noun

te·​no·​fo·​vir tə-ˌnō-fə-ˌvir 

: a reverse transcriptase inhibitor C₉H₁₄N₅O₄P that is administered orally especially in the form of its fumarate C₁₉H₃₀N₅O₁₀P·C₄H₄O₄ usually in conjunction with other antiretroviral drugs to treat hepatitis B and HIV infection

Note: The fumarate of tenofovir is commonly known as tenofovir disoproxil fumarate or tenofovir DF . Trademarks for preparations containing tenofovir include Atripla, Complera, Stribild, Truvada, and Viread.