Ondansetron vs Penicillin G
## Ondansetron vs Penicillin G: Overview
This comparison examines the pharmacological differences between **Ondansetron** and **Penicillin G**.
## Mechanism of Action
**Ondansetron**: Selective 5-HT3 receptor antagonist.
## Pharmacokinetics
**Half-life**: Ondansetron — 3-5 hours; Penicillin G — N/A.
## Chemical Properties
**Molecular Formula**: Ondansetron — C18H19N3O; Penicillin G — N/A.
**Molecular Weight**: Ondansetron — 293.3660 g/mol; Penicillin G — N/A.
**Type**: Ondansetron — Small molecule; Penicillin G — Small molecule.