126380-77-6 AIDS-000558 AIDS000558 Hydroxyethylene isoester analog(SAA-III-VV-OMe) L-Valine, N-[N-[4-hydroxy-6-(4-hydroxyphenyl)-1-oxo-5-[[N-(N-L-seryl-L-alanyl)-L-alanyl]amino]hexyl]-L-valyl]-, methyl ester, [S-(R*,R*)]- SAA-III-VV-OMe