(2S,3S)-3-Hydroxy-2-{2-[2-((1S,2S)-2-hydroxy-1-methoxycarbonyl-propylcarbamoyl)-phenyldisulfanyl]-benzoylamino}-butyric acid methyl ester AIDS-087298 AIDS087298 [S-(R*R*)]-(N,N'-[Dithiobis(2,1-phenylenecarbonyl)bis-L-threonine-bis-dimethyl ester)