[(3R)-1,1-dimethylpyrrolidin-1-ium-3-yl] (2R)-2-cyclopentyl-2-hydroxy-2-phenylacetate bromide;[(3R)-1,1-dimethylpyrrolidin-1-ium-3-yl] (2R)-2-cyclopentyl-2-hydroxy-2-phenyl-acetate bromide;(2R)-2-cyclopentyl-2-hydroxy-2-phenylacetic acid [(3R)-1,1-dimethyl-3-pyrrolidin-1-iumyl] ester bromide;(2R)-2-cyclopentyl-2-hydroxy-2-phenyl-acetic acid [(3R)-1,1-dimethylpyrrolidin-1-ium-3-yl] ester bromide;[(3R)-1,1-dimethylpyrrolidin-1-ium-3-yl] (2R)-2-cyclopentyl-2-hydroxy-2-phenyl-ethanoate bromide
[(3R)-1,1-dimethylpyrrolidin-1-ium-3-yl] (2R)-2-cyclopentyl-2-hydroxy-2-phenylacetate bromide