C07AB02 - metoprolol (Cardiovascular system | Beta blocking agents | Beta blocking agents, selective)
C07EBN1 - metoprolol + felodipine (Cardiovascular system | Beta blocking agents and vasodilators | Beta blocking agents, selective, and vasodilators)
C07FX05 - metoprolol + ivabradine (Cardiovascular system | Beta blocking agents, other combinations)