AIDS-109507 AIDS109507 Butanamide, N-[(1S,2R)-3-[[(4-aminophenyl)sulfonyl](1-methylethyl)amino]-2-hydroxy-1-(phenylmethyl)propyl]-3-methyl-2-[[[methyl[[2-(1-methylethyl)-4-thiazolyl]methyl]amino]carbonyl]amino]-, (2S)-