AIDS-028134 AIDS028134 Aminodiol 2OH-Butanamide deriv. [3-[[3-[(2,4-Dihydroxy-2,3,3-trimethyl--1-oxobutyl)amino]-2-hydroxy-4-phenylbutyl]amino]-2-hydroxy-1-(phenylmethyl)propyl]carbamic acid, 1,1-dimethylethyl ester