Trospium impurity A - Hydroxydiphenylacetic acid (benzilic acid)

Ammonium glycyrrhizate

Trospium impurity C - (1R,3r,5S)-3-hydroxyspiro[8-azoniabicyclo[3.2.1]octane-8,1'-pyrrolidinium]

Trospium impurity B - (1R,3r,5S)-8-azabicyclo[3.2.1]oct-3-yl hydroxydiphenylacetate

Methanol - Reference Spectrum

Trospium chloride

Lamivudine for system suitability 2

Acarbose for peak identification

Atracurium besilate

Lamivudine