Gefitinib vs Losartan

## Gefitinib vs Losartan: Overview

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

## Mechanism of Action

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

**Losartan**: Angiotensin II receptor type 1 antagonist.

## Pharmacokinetics

**Half-life**: Gefitinib — 48 hours; Losartan — 2 hours.

## Chemical Properties

**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Losartan — C22H23ClN6O.

**Molecular Weight**: Gefitinib — 446.9000 g/mol; Losartan — 422.9200 g/mol.

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