AIDS-045147 AIDS045147 Cbz-Tyr-Val-Sta-Ala-Leucinol [(S)-1-[(S)-1-(1-{(S)-1-Hydroxy-2-[(S)-1-((S)-1-hydroxymethyl-3-methyl-butylcarbamoyl)-ethylcarbamoyl]-ethyl}-3-methyl-butylcarbamoyl)-2-methyl-propylcarbamoyl]-2-(4-hydroxy-phenyl)-ethyl]-carbamic acid benzyl ester