AIDS-032490 AIDS032490 Ala-Ala-Phe-EtCONH2 deriv. L-Alanyl-N1-((1S,2S,4R)-5-{[1H-benzimidazol-2-yl(phenyl)methyl]amino}-1-benzyl-2-hydroxy-4-methyl-5-oxopentyl)-L-alaninamide