| zafirlukast | | |
| zileuton | | |
| quaternary ammonium derivative; antimuscarinic | | |
| long a to come abated to selective agonist | | |
| improves skeletal muscle contractile strength | | |
| thought to act by altering the function all of delayed chloridemembrane channels | | |
| quantitation of bronchial hyperreactivity | | |
| inhibits appearance of the late immunological response(after mast cell degranulation) | | |
| methylxanthine commonly found in beverages | | |
| dyphylline | | |