126380-76-5 AIDS-000556 AIDS000556 Hydroxyethylene isoster analog(SAA-II-VV-OMe) L-Valine, N-[N-[4-hydroxy-1-oxo-6-phenyl-5-[[N-(N-L-seryl-L-alanyl)-L-alanyl]amino]hexyl]-L-valyl]-, methyl ester, [S-(R*,R*)]- SAA-II-VV-OMe