Gefitinib vs Paroxetine
## Gefitinib vs Paroxetine: Overview
This comparison examines the pharmacological differences between **Gefitinib** and **Paroxetine**.
## Mechanism of Action
**Gefitinib**: Selective reversible inhibitor of EGFR tyrosine kinase.
**Paroxetine**: Potent selective serotonin reuptake inhibitor with additional muscarinic and NE reuptake inhibition.
## Pharmacokinetics
**Half-life**: Gefitinib — 48 hours; Paroxetine — 21 hours.
## Chemical Properties
**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Paroxetine — C19H20FNO3.
**Molecular Weight**: Gefitinib — 446.9000 g/mol; Paroxetine — 329.3730 g/mol.
**Type**: Gefitinib — Small molecule; Paroxetine — Small molecule.