List I | List II | ||
|---|---|---|---|
| A | Six membered-oxygen containing compound | I | Pyran |
| B | Five-membered-nitrogen containing | II | Triazole |
| C | Six-membered-nitrogen containing | III | Pyrimidine |
| D | Xanthine nucleus | IV | Caffeine |
Match the following Class and their Antiarrhythmic Drug:

\(5-HT_{2A/2C}\) antagonist used in migraine