Gefitinib vs Memantine

## Gefitinib vs Memantine: Overview

This comparison examines the pharmacological differences between **Gefitinib** and **Memantine**.

## Mechanism of Action

**Gefitinib**: Selective reversible inhibitor of EGFR tyrosine kinase.

**Memantine**: Non-competitive NMDA receptor antagonist.

## Pharmacokinetics

**Half-life**: Gefitinib — 48 hours; Memantine — 60-80 hours.

## Chemical Properties

**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Memantine — C12H21N.

**Molecular Weight**: Gefitinib — 446.9000 g/mol; Memantine — 179.3080 g/mol.

**Type**: Gefitinib — Small molecule; Memantine — Small molecule.