Not sure what you're wondering about Banzel, but here are some factoids:
Generic name: Rufinamide
Year introduced: 2008
Daily Dosage Range: adults (Phone number can only be seen by the question and answer creators) mg; children 10-45 mg/kg
Primary mechanism: sodium channel modulator
Uses: Lennox-Gastaut Syndrome

Some possible side effects: headache, dizziness, fatigue, drowsiness, double vision, tremor, hypersensitivity reactions, shortened QT interval

Hope this helps!