AIDS-071059 AIDS071059 [2R-(2R*,3S*,6S*)]-N-t-butyl-2-(2-hydroxy-3-phenylmethyl-4-aza-5-oxo-6-(2-amino-2-oxoethyl)-7-aza-8-oxo-8-(N-naphth-1-ylmethylamino)octyl)benzamide