AIDS-097262 AIDS097262 [1S-[[1R*,2S*(2S*,3R*)]]-2-Hydroxy-3-[[2-hydroxy-3-[[[methyl(phenylmethyl)-amino]carbonyl]amino]-4-phenylbutyl]amino]-1-(phenylmethyl)propyl]carbamic acid, 1,1-dimethylethyl ester