AIDS-222896 AIDS222896 L-Valinamide, N-acetyl-L-a-glutamyl-L-a-glutamyl-N1-[(1S)-1-[[(5R)-5-[[[1-[1,2-dioxo-2-[[2-oxo-2-(2-propenyloxy)ethyl]amino]ethyl]butyl]amino]carbonyl]-2-oxo-1-(phenylmethyl)-4-imidazolidinyl]carbonyl]-2-methylpropyl]-