3-Azabicyclo[3.3.1]nonan-7-one deriv. 5(R/S)-[(Methylphenyl-4'-(2-Furanyl)]-9(R/S)-hydroxy-1(R/S)-hydroxymethyl-3-(2'-methylpropyl)-3-azabicyclo[3.3.1]nonan-7-one AIDS-057775 AIDS057775