126455-01-4 AIDS-000559 AIDS000559 Hydroxyethylene isoester analog(SAA-4-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, [R-(R*,S*)]- SAA-4-VV-OMe