(R)-3-(2-cyclopentyl-2-hydroxy-2-phenyl-acetoxy)-1-(pyrazin-2-ylcarbamoylmethyl)-1-azonia-bicyclo[2.2.2]octane bromide 、
(R)-3-hydroxy-1-(pyrazin-2-ylcarbamoylmethyl)-1-azonia-bicyclo[2.2.2]octane bromide 、
(R)-3-hydroxy-1-(pyrimidin-4-ylcarbamoylmethyl)-1-azonia-bicyclo[2.2.2]octane bromide 、
2-环己基-2-羟基苯乙酸 生成 (R)-3-(2-Cyclohexyl-2-hydroxy-2-phenyl-acetoxy)-1-(pyrimidin-4-ylcarbamoylmethyl)-1-azonia-bicyclo[2.2.2]octane bromide