AIDS-032494 AIDS032494 Ala-Ala-Phe-EtCONH2 deriv. L-Alanyl-N1-((1S,2S,4R)-1-benzyl-2-hydroxy-5-{[1H-indol-2-yl(pyridin-4-yl)methyl]amino}-4-methyl-5-oxopentyl)-L-alaninamide