1H-Imidazole-4-propanamide, N-[2-hydroxy-1-(2-methylpropyl)-5-[[2-methyl-1-[[(2-pyridinylmethyl)amino]carbonyl]butyl]amino]-5-oxo-4-(phenylmethyl)-pentyl]-.alpha.-[(phenyloxyacetyl)-amino]-, [1S-[1R*(R*),2R*,4S*,5R*(1R*,2R*)]] AIDS-081458 AIDS081458 POA-His-LPA-Ile-Amp