AIDS-097497 AIDS097497 [1S-[1R*,2S*(2S*,3R*)]]-[3-[[3-[[2-Hydroxy-3,3-dimethyl-2-[(methylamino)carbonyl]-1-oxobutyl]amino]-2-hydroxy-4-phenylbutyl]amino]-2-hydroxy-1-(phenylmethyl)propyl]carbamic acid, 1,1-dimethylethyl ester