3-Azabicyclo[3.3.1]nonan-7-one deriv. 5(R/S)-Methylphenyl-9(R/S)-hydroxy-1(R/S)-[(1'-hydroxy)-2'-(2-amino)phenyl]-ethyl-3-(2'-cyclopentylmethyl)-3-azabicyclo[3.3.1]nonan-7-one AIDS-057785 AIDS057785