(S)-2-[(S)-2-(2-{(S)-3-[(S)-2-(2-Acetylamino-4-methyl-pentanoylamino)-3-methyl-butanoylamino] -2-oxo-4-phenyl-butylamino}-3-phenyl-propanoylamino)-3-methyl-pentanoylamino]-3-methyl-butyramide AIDS-092692 AIDS092692