Donepezil Hydroxy Impurity

2-((1-Benzylpiperidin-4-yl)(hydroxy)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one|2-((1-Benzylpiperidin-4-yl)(hydroxy)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one;|2-[(1-Benzylpiperidin-4-yl)(hydroxy)methyl]-5,6-dimethoxyindan-1-one ;|2-[(1-Benzylpiperidin-4-yl)(hydroxyl)methyl]-5,6-dimethoxyindan-1-one;|2,3-Dihydro-2-[hydroxy[1-(phenylmethyl)-4-piperidinyl]methyl]-5,6-dimethoxy-1H-inden-1-one|Donepezil Hydroxy Keto Impurity ;|Donepezil Hydroxy Keto Impurity;|Hydroxy Donepezil (Mixture of Diastereomers);|Hydroxy Donepezil (USP) ; 2-[(1-Benzylpiperidin-4-yl)(hydroxy)methyl]-5,6-dimethoxyindan-1-one ;Donepezil Hydroxy Keto Impurity.