3-Azabicyclo[3.3.1]nonan-7-one deriv. 5(R/S)-Methylphenyl-9(R/S)-hydroxy-1(R/S)-[(1'-hydroxy)-2'-phenyl]-ethenyl-3-benzyl-3-azabicyclo[3.3.1]nonan-7-one AIDS-057781 AIDS057781