Gefitinib vs Morphine
## Gefitinib vs Morphine: Overview
This comparison examines the pharmacological differences between **Gefitinib** and **Morphine**.
## Mechanism of Action
**Gefitinib**: Selective reversible inhibitor of EGFR tyrosine kinase.
**Morphine**: Mu-opioid receptor agonist.
## Pharmacokinetics
**Half-life**: Gefitinib — 48 hours; Morphine — 2-3 hours.
## Chemical Properties
**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Morphine — C17H19NO3.
**Molecular Weight**: Gefitinib — 446.9000 g/mol; Morphine — 285.3380 g/mol.
**Type**: Gefitinib — Small molecule; Morphine — Small molecule.