173091-93-5 AIDS-028466 AIDS028466 [2,3'-Bi-1H-pyrrole]-4-acetic acid, 5'-[(2S,3S)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-2-hydroxy-4-phenylbutyl]-2,3,4',5'-tetrahydro-2-(2-methylpropyl)-3,4'-dioxo-a,5'-bis(phenylmethyl)-, methyl ester, (aR,2S,5'S)-