AIDS-097490 AIDS097490 [1S-[1R*,2S*[2S*,3R*(R*)]]]-[3-[[3-2-Hydroxy-1-oxo-2-phenylethyl)amino]-2-hydroxy-4-phenylbutyl]amino]-2-hydroxy-1-(phenylmethyl)propyl]carbamic acid, 1,1-dimethylethyl ester