Gefitinib vs Montelukast

## Gefitinib vs Montelukast: Overview

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

## Mechanism of Action

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

**Montelukast**: Selective leukotriene D4 receptor antagonist.

## Pharmacokinetics

**Half-life**: Gefitinib — 48 hours; Montelukast — 2.7-5.5 hours.

## Chemical Properties

**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Montelukast — C35H36ClNO3S.

**Molecular Weight**: Gefitinib — 446.9000 g/mol; Montelukast — 586.1800 g/mol.

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