Ipratropium bromide Images
Go to article Ipratropium bromide
Structural formula of ipratropium bromide. Note the quaternary nitrogen group.

Structural formula of scopolamine

Structural formula of N-butylscopolamine with a quaternary nitrogen group
Structural formula of ipratropium bromide. Note the quaternary nitrogen group.
Structural formula of scopolamine
Structural formula of N-butylscopolamine with a quaternary nitrogen group