l-Ipratropium bromide

8-Azoniabicyclo[3.2.1]octane, 3-(3-hydroxy-1-oxo-2-phenylpropoxy)-8-methyl-8-(1-methylethyl)-, bromide, [3(S)-(endo,syn)]-

8-Azoniabicyclo[3.2.1]octane, 3-[(2S)-3-hydroxy-1-oxo-2-phenylpropoxy]-8-methyl-8-(1-methylethyl)-, bromide, (3-endo,8-syn)-