1 XOP 8-methyl-8-azabicyclo[3.2.1]octan-3-yl phenylphosphonate 1.000 2 TGN 3-(hydroxy-phenyl-phosphinoyloxy)-8-methyl-8-aza-bicyclo[3.2.1]octane-2-carboxylic acid methyl ester 0.826 3 62Y 3-bromophenyl hydrogen (S)-phenylphosphonate 0.714