(±)-Darifenacin N-Oxide
(±)-Darifenacin N-Oxide is the impurity of Darifenacin (HY-A0033). Darifenacin (UK-88525) is a selective and orally active M3 muscarinic receptor (M3R) antagonist with a pKi of 8.9.
Internal Reference:
cell25sk22309