#$%^&*AU2013204727A120130822.pdf#####-92 ABSTRACT The use of the henifurmarate form of {9-[(R)-2-[[(S)-[[(S)-1(isopropoxvcarbonyl)ethyllamino]phenoxvphosphinvl]methoxy]propyl]adenine } (tenofovir alafenamide hemifumarate) in combination with cobicistat is disclosed In addition, the combination of tenofovir alafenamide hemifiumarate, cobicistat, entricitabine, and elvitegravir, and the combination of tenofovir alafenamide hemifumarate, cobicistat, emtricitabine, and darunavir, are disclosed. FCHJS WS 8599433vi.doc