[(8R)-1-[3-(phenoxy)propyl]-1-azoniabicyclo[2.2.2]octan-8-yl] 2-hydroxy-2,2-di(thiophen-2-yl)acetate
[(3R)-1-[3-(phenoxy)propyl]quinuclidin-1-ium-3-yl] 2-hydroxy-2,2-bis(2-thienyl)acetate
2-hydroxy-2,2-bis(2-thienyl)acetic acid [(3R)-1-[3-(phenoxy)propyl]-3-quinuclidin-1-iumyl] ester
2-hydroxy-2,2-bis(2-thienyl)acetic acid [(3R)-1-[3-(phenoxy)propyl]quinuclidin-1-ium-3-yl] ester
[(8R)-1-[3-(phenoxy)propyl]-1-azoniabicyclo[2.2.2]octan-8-yl] 2-hydroxy-2,2-di(thiophen-2-yl)ethanoate