(S)-4-[(S)-2-((3S,4S)-4-{(S)-2-[(S)-2-Benzyloxycarbonylamino-3-(1H-ndol-3-yl)-propanoylamino]-3-methyl-butanoylamino}-3-hydroxy-hexanoylamino)-propanoylamino]-3-hydroxy-6-methyl-heptanoic acid methyl ester AIDS-045152 AIDS045152 Cbz-Trp-Val-{Val}Sta-Ala-Sta-OMe