title: Hopes dashed for formulation.
mesh_terms: D000042:Absorption; D000225:Adenine / Q000031:analogs & derivatives* / Q000493:pharmacokinetics; D000480:Alkynes; D019380:Anti-HIV Agents / Q000493:pharmacokinetics*; D048588:Benzoxazines; D002626:Chemistry, Pharmaceutical / Q000379:methods*; D003521:Cyclopropanes; D003841:Deoxycytidine / Q000031:analogs & derivatives* / Q000493:pharmacokinetics; D004359:Drug Therapy, Combination; D000068679:Emtricitabine; D063065:Organophosphonates / Q000493:pharmacokinetics*; D010078:Oxazines / Q000493:pharmacokinetics*; D013607:Tablets; D000068698:Tenofovir; D013810:Therapeutic Equivalency
chemical_list: D000480:Alkynes; D019380:Anti-HIV Agents; D048588:Benzoxazines; D003521:Cyclopropanes; D063065:Organophosphonates; D010078:Oxazines; D013607:Tablets; D003841:Deoxycytidine; D000068698:Tenofovir; D000068679:Emtricitabine; D000225:Adenine; C098320:efavirenz