5,6-Dimethoxy-2-(4-piperidylmethyl)-1-indanone hydrochloride

donepezil desbenzyl impurity ; desbenzyl donepezil hydrochloride ; 5,6-dimethoxy-2-(4-piperidinylmethyl)-1-indanone hcl ; 5,6-dimethoxy-2-(4-piperidineylmethyl) -1-indanone hcl ; 5,6-dimethoxy-2-(piperidin-4-yl)methyl-indan-1-one hcl ; 5,6-dimethoxy-2-(4-piperidylmethyl)-1-indanone hydrochloride ; 5,6-dimethoxy-2-(4-piperidinylmethyl)-1-indanone hydrochloride ; 4-[(5,6-dimethoxy-1-oxoindan-2-yl)methyl]piperidine hydrochloride ; 2,3-dihydro-5,6-dimethoxy-2-(4-piperidinylmethyl)-1h-inden-1-one hydrochloride ; 5,6-dimethoxy-2-(piperidin-4-ylmethyl)-2,3-dihydro-1h-inden-1-one hydrochloride