[8-methyl-8-[2-oxo-2-(4-phenylphenyl)ethyl]-8-azoniabicyclo[3.2.1]octan-3-yl] 3-hydroxy-2-phenylpropanoate bromide

[8-methyl-8-[2-oxo-2-(4-phenylphenyl)ethyl]-8-azoniabicyclo[3.2.1]octan-3-yl] 3-hydroxy-2-phenyl-propanoate bromide

3-hydroxy-2-phenyl-propionic acid [8-[2-keto-2-(4-phenylphenyl)ethyl]-8-methyl-8-azoniabicyclo[3.2.1]octan-3-yl] ester bromide