(S)-2-{(S)-2-[(R)-2-(2-{(R)-2-[(S)-1-((S)-1-Methoxycarbonyl-2-phenyl-ethylcarbamoyl)-3-methyl-butylcarbamoyl]-hexyl}-oxiranylmethyl)-hexanoylamino]-4-methyl-pentanoylamino}-3-phenyl-propionic acid methyl ester AIDS-112415 AIDS112415