(S)-2-((S)-2-{(2R,6R)-2-Butyl-4-hydroxy-6-[(S)-1-((S)-1-methoxycarbonyl-2-methyl-propylcarbamoyl)-2-methyl-propylcarbamoyl]-decanoylamino}-3-methyl-butanoylamino)-3-methyl-butyric acid methyl ester AIDS-112411 AIDS112411