Fesoterodinyl (4-Hydroxy-tolterodine phenoxy) Ether is an impurity of (R)-Fesoterodine (Fumarate salt, F321300) which is a muscarinic receptor antagonist for the treatment of Lower Urininary Tract Symptoms (LUTS). It is very similar to Tolterodine (T535800).
Fesoterodine Impurity 8 Preparation Products And Raw materials