2-Thiophene-CO(MeSO2Val)Phe Epoxy deriv. AIDS-056935 AIDS056935 Thiophene-2-carboxylic acid [(R)-1-((S)-1-{(2R,3S)-3-[2-(ethyl-isopropyl-sulfamoyl)-ethyl]-oxiranyl}-2-phenyl-ethylcarbamoyl)-2-methanesulfonyl-2-methyl-propyl]-amide