Aspirin vs Donepezil
## Aspirin vs Donepezil: Overview
This comparison examines the pharmacological differences between **Aspirin** and **Donepezil**.
## Mechanism of Action
**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.
**Donepezil**: Reversible acetylcholinesterase inhibitor.
## Pharmacokinetics
**Half-life**: Aspirin — 2-3 hours; Donepezil — 70 hours.
## Chemical Properties
**Molecular Formula**: Aspirin — C9H8O4; Donepezil — C24H29NO3.
**Molecular Weight**: Aspirin — 180.1580 g/mol; Donepezil — 379.4920 g/mol.
**Type**: Aspirin — Small molecule; Donepezil — Small molecule.