Gefitinib vs Penicillin G
## Gefitinib vs Penicillin G: Overview
This comparison examines the pharmacological differences between **Gefitinib** and **Penicillin G**.
## Mechanism of Action
**Gefitinib**: Selective reversible inhibitor of EGFR tyrosine kinase.
## Pharmacokinetics
**Half-life**: Gefitinib — 48 hours; Penicillin G — N/A.
## Chemical Properties
**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Penicillin G — N/A.
**Molecular Weight**: Gefitinib — 446.9000 g/mol; Penicillin G — N/A.
**Type**: Gefitinib — Small molecule; Penicillin G — Small molecule.