3-Azabicyclo[3.3.1]nonan-7-one deriv. 5(R/S)-Methylphenyl-9(R/S)-hydroxy-1(R/S)-1-hydroxymethyl-3-(2-cyclopentyl)methyl-3-azabicyclo[3.3.1]nonan-7-one AIDS-057774 AIDS057774