2-[2-({1-[2-(2-{(2R)-2-[(2S)-2-(Acetylamino)-3-carboxypropanoylamino]-4-carboxybutanoylamino}(2S)-3-methylpentanoylamino)(2S)-3-methylbutanoyl](2S,4R)-4-(phenylmethoxy)pyrrolidin-2-yl}carbonylamino)pentanoyl](3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid AIDS-162027 AIDS162027