AIDS-045176 AIDS045176 Cbz-(MeSO2-Val)Phe Epoxy deriv. [(R)-2-Methanesulfonyl-2-methyl-1-((S)-1-{(2R,3S)-3-[((R)-2-methyl-1-phenyl-propylcarbamoyl)-methyl]-oxiranyl}-2-phenyl-ethylcarbamoyl)-propyl]-carbamic acid benzyl ester