AIDS-081484 AIDS081484 AcO-Phe-His-LVA-Ile-NH-(CH2)2-pyridine N.alpha.-[(2S,4S,5S)]-5-[[N.alpha.-[(S)-1-Acetoxy-1-benzyl)methylcarbonyl]-L-histidyl]amino-4-hydroxy-7-methyl-2-(1-methyethyl)-1-oxooctyl]-N-(2-hydropropyl)-L-isoleucinamide