(S)-2-((S)-2-{(2R,6R)-2-Benzyl-6-[(S)-1-((S)-1-methoxycarbonyl-2-methyl-propylcarbamoyl)-2-methyl-propylcarbamoyl]-4-oxo-7-phenyl-heptanoylamino}-3-methyl-butanoylamino)-3-methyl-butyric acid methyl ester AIDS-112416 AIDS112416