AIDS-112419 AIDS112419 Heptanediamide, 4-hydroxy-N^1-[(1R,2S)-2-methyl-1-[[(2-pyridinylmethyl)amino]carbonyl]butyl]-N^7-[(1S,2S)-2-methyl-1-[[(2-pyridinylmethyl)amino]carbonyl]butyl]-2,6-bis(phenylmethyl)-, (2R,6R)-