Gefitinib vs Simvastatin
## Gefitinib vs Simvastatin: Overview
This comparison examines the pharmacological differences between **Gefitinib** and **Simvastatin**.
## Mechanism of Action
**Gefitinib**: Selective reversible inhibitor of EGFR tyrosine kinase.
**Simvastatin**: Prodrug converted to active form that inhibits HMG-CoA reductase.
## Pharmacokinetics
**Half-life**: Gefitinib — 48 hours; Simvastatin — 2 hours.
## Chemical Properties
**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Simvastatin — C25H38O5.
**Molecular Weight**: Gefitinib — 446.9000 g/mol; Simvastatin — 418.5700 g/mol.
**Type**: Gefitinib — Small molecule; Simvastatin — Small molecule.