EPY0000432
Trospium impurity A - Hydroxydiphenylacetic acid (benzilic acid)
EPY0000431
Trospium impurity B - (1R,3r,5S)-8-azabicyclo[3.2.1]oct-3-yl hydroxydiphenylacetate
EPY0000430
Trospium impurity C - (1R,3r,5S)-3-hydroxyspiro[8-azoniabicyclo[3.2.1]octane-8,1'-pyrrolidinium]