3-Azabicyclo[3.3.1]nonan-7-one deriv. 5(R/S)-(4-Bromophenyl)methyl-9(R/S)-hydroxy-1(R/S)-1-hydroxymethyl-3-(2-methyl)propyl-3-azabicyclo[3.3.1]nonan-7-one AIDS-057771 AIDS057771