英文别名5,6-Dimethoxy-2-(4-pyridylmethyl)-1-indanone; Donepezil Pyridine Analog Impurity; Donepezil Pyridine Impurity; Donepezil pyridine analog; Donepezil Impurity II (Donepezil Related Compound B(USP)); Donepezil Impurity N; 5,6-DIMETHOXY-2-PYRIDIN-4-YLMETHYL-INDAN-1-ONE; 5,6-dimethoxy-2-(pyridin-4-ylmethyl)-2,3-dihydroinden-1-one; Donepezil Impurity 7 
