AIDS-081481 AIDS081481 Boc-OMeTyr-His-LPA-NH-CH2-CH(CH3)(OH) N-[(2S,4S,5S)]-5-[N.alpha.-[N.alpha.-(tert-Butoxycarbonyl)-O-methyl-L-tyrosyl]-L-histidyl]amino-4-hydroxy-7-methyl-2-phenylmethyl-1-oxooctyl]-N-[(S)-2-hydroxypropyl]amine