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