(2R,3S,4S)-N-[4-[[N-[(Benzyloxy)carbonyl]valyl]amino]-3-hydroxy-2-(4-methoxy-benzylamino)-5-phenylpentanoyl]valine (2-hydroxy-4-methoxy)benzylamide AIDS-031493 AIDS031493 Cbz-Val-NHPhCH2-Statine deriv.