AIDS-097418 AIDS097418 [1S-[1R*,2S*(2S*,3R*)]]-[2-Hydroxy-3-[[2-hydroxy-3-[(4-hydroxy-2,2-dimethyl-1-oxobutyl)amino]-4-phenylbutyl]amino]-1-(phenylmethyl)propyl]carbaic acid, 1,1-dimethylethyl ester