Gefitinib vs Irbesartan
## Gefitinib vs Irbesartan: Overview
This comparison examines the pharmacological differences between **Gefitinib** and **Irbesartan**.
## Mechanism of Action
**Gefitinib**: Selective reversible inhibitor of EGFR tyrosine kinase.
**Irbesartan**: Selective non-competitive angiotensin II type 1 receptor antagonist.
## Pharmacokinetics
**Half-life**: Gefitinib — 48 hours; Irbesartan — 11-15 hours.
## Chemical Properties
**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Irbesartan — C25H28N6O.
**Molecular Weight**: Gefitinib — 446.9000 g/mol; Irbesartan — 428.5320 g/mol.
**Type**: Gefitinib — Small molecule; Irbesartan — Small molecule.