1(2H)-Pyrimidineacetamide,N-[(1S,3S,4S)-4-[[2-(2,6-Dimethylphenoxy)acetyl]amino]-3-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]tetrahydro-.alpha.-(1-methylethyl)-2-oxo-, (alpha.1S)- & {(1S,2R)-[(4-Amino-benzenesulfonyl)-isobutyl-amino]-benzyl-hydroxy-propyl}-carbamic acid (S)-(tetrahydro-furan-3-yl) ester AIDS-057072 AIDS057072 LPV & APV Lopinavir & Amprenavir