3-Azabicyclo[3.3.1]nonan-7-one deriv. 5(R/S)-(1'-Naphthylmethyl)-9(R/S)-hydroxy-1(R/S)-hydroxymethyl-3-(1,1-dimethylethyl)-3-azabicyclo[3.3.1]nonan-7-one AIDS-057777 AIDS057777