Donepezil Hydrochloride (200 mg)

3-Hydroxydonepezil (25 mg) (2-[(1-Benzylpiperidin-4-yl)methyl]-3-hydroxy-5,6-dimethoxy-1H-indan-one)

Donepezil Quaternary Salt (Donepezilbenzyl Bromide) (25 mg) (1,1-dibenzyl-4-((5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)piperidin-1-ium, bromide; 1,1-dibenzyl-4-[(5,6-dimethoxy-1-oxoindan-2-yl)methyl]piperidinium, bromide)

Donepezil Pyridine Analog (25 mg) (5,6-Dimethoxy-2-(pyridin-4-ylmethyl)indan-1-one)

Donepezil Alkene Pyridine N-Oxide (25 mg) (4-[(5,6-Dimethoxy-1-oxo-1,3-dihydro-2H-inden-2-ylidene)methyl]pyridine 1-oxide)

Donepezil Open Ring (25 mg) (2-(3-(1-benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid)

Hydroxydonepezil (25 mg) (2-[(1-Benzylpiperidin-4-yl)(hydroxy)methyl]-5,6-dimethoxyindan-1-one)

Donepezil Related Compound A (25 mg) ((E)-2-[(1-benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one)