AIDS-212555 AIDS212555 L-Prolinamide, N-[1-oxo-5-(1H-tetrazol-1-yl)pentyl]-L-valyl-L-valyl-4-[[(3,4-dihydro-2(1H)-isoquinolinyl)carbonyl]oxy]-N-[1-[1,2-dioxo-2-[[(1S)-1-phenylethyl]amino]ethyl]butyl]-, (4R)-