Escitalopram vs Gefitinib
## Escitalopram vs Gefitinib: Overview
This comparison examines the pharmacological differences between **Escitalopram** and **Gefitinib**.
## Mechanism of Action
**Escitalopram**: S-enantiomer of citalopram; selective serotonin reuptake inhibitor.
**Gefitinib**: Selective reversible inhibitor of EGFR tyrosine kinase.
## Pharmacokinetics
**Half-life**: Escitalopram — 27-32 hours; Gefitinib — 48 hours.
## Chemical Properties
**Molecular Formula**: Escitalopram — C20H21FN2O; Gefitinib — C22H24ClFN4O3.
**Molecular Weight**: Escitalopram — 324.3920 g/mol; Gefitinib — 446.9000 g/mol.
**Type**: Escitalopram — Small molecule; Gefitinib — Small molecule.