AIDS-081483 AIDS081483 N.alpha.-[(2S,4S,5S)]-5-[N-[N.alpha.-(Phenoxymethylcarbonyl)-L-histidyl]amino-4-hydroxy-2-isopropyl-7-methyl-1-oxooctyl]-N-(2-hydropropyl)-L-isoleucinamide POA-His-LVA-Ile-NH-CH2-CH(CH3)(OH)