emtricitabine

noun

em·​tri·​ci·​ta·​bine ˌem-trə-ˈsī-tə-ˌbēn 

: a synthetic reverse transcriptase inhibitor C₈H₁₀FN₃O₃S administered orally typically in conjunction with other antiretroviral agents to treat HIV infection

Note: Trademarks for preparations containing emtricitabine include Atripla, Complera, Emtriva, Stribild, and Truvada.