1H-Imidazole-4-propanamide, N-(2,3-dihydroxy-5-methyl-1-(2-methylpropyl)-4-[[[2-methyl-1-[[(2-pyridinylmethyl)amino]carbonyl]butyl]amino]carbonyl]hexyl]-.alpha.-[(phenyloxyacetyl)-amino]-, [1S-[1R*(R*),2S*,3R*,4R*(1R*,2R*)]] AIDS-081453 AIDS081453 POA-His-LVDA-Ile-Amp