英文别名Donepezil Impurity 12 Monomer; Donepezil Impurity 12; 2-[(1-benzylpiperidin-4-yl)methyl]-3-hydroxy-5,6-dimethoxy-2,3-dihydroinden-1-one; 3-Hydroxy Donepezil; 3-Hydroxydonepezil; 2-[(1-Benzylpiperidin-4-yl)methyl]-3-hydroxy-5,6-dimethoxyindan-1-one; 3-Hydroxy Donepezil (Mixture of Diastereomers); Donepezil 3-Hydroxy Impurity 
