1H-Imidazole-4-propanamide, N-[4-(cyclohexylmethyl)-2-hydroxy-1-(2-methylpropyl)-5-[[2-methyl-1-[[(2-pyridinylmethyl)amino]carbonyl]butyl]amino]-5-oxopentyl]-.alpha.-[(phenyloxyacetyl)-amino]-, [1S-[1R*(R*),2R*,4S*,5(1R*,2R*)]] AIDS-081459 AIDS081459 POA-His-LCA-Ile-Amp