英文别名1-Benzyl-4-[(6-hydroxy-5-methoxy-1-oxo-indan-2-yl)methylpiperidine; 2,3-Dihydro-6-hydroxy-5-Methoxy-2-[[1-(phenylMethyl)-4-piperidinyl]Methyl]-1H-inden-1-one; 2-((1-benzylpiperidin-4-yl)methyl)-6-hydroxy-5-methoxy-2,3-dihydro-1H-inden-1-one; Donepezil 6-O-Desmethyl Impurity; Donepezil Impurity 29; Donepezil impurity 8/6-O-Desmethyl Donepezil/1-benzyl-4-(6-hydroxy,5-methoxy-1-indanone-2-yl)methyl piperadine; Donepezil 6-O-Desmethyl Imp 
