Gefitinib vs Spironolactone

## Gefitinib vs Spironolactone: Overview

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

## Mechanism of Action

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

**Spironolactone**: Mineralocorticoid receptor antagonist.

## Pharmacokinetics

**Half-life**: Gefitinib — 48 hours; Spironolactone — 1.4 hours.

## Chemical Properties

**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Spironolactone — C24H32O4S.

**Molecular Weight**: Gefitinib — 446.9000 g/mol; Spironolactone — 416.5740 g/mol.

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