| a1 | phenyl ephrine HCl | methoxamine | ||||||
| a2 | clonidine HCl | Guanabenz | Guanfacine | |||||
| a1&a2 | Naphazoline Hch | Tetrazoline Hcl | Oxymetazoline | |||||
| B1 | Dobutamine HCL (Dobutrex) | Prenalterol (Hypernam) | ||||||
| B2 | Colterol (3 butyl ) | Bitolterol (prodrug) | isoetharine HCl | Metaproterenol | ||||
| terbutaline sulfate | Salbutamol (Albuterol) | Isoxsuprine HCl (Vasodilin) | Ritodrine HCl (Yutopar) | |||||
| B1&B2 | isoproterneol | |||||||
| indirect acting | P-Tyramine (anoretic) | Amphetamine | propyl hexedrine | Tuamino heptane | ||||
| mixed acting | Ephidrine | phenyl propanolamine | Metaraminol | Mephetermine | ||||
| a1 blocker | Prazosin | |||||||
| B1 blocker | Metoprenol | Atenolol | Practelol | |||||
| B- non selective | Propranolol | Timolol | ||||||
| a1-B blocker | Labetalol (B 4 :a 1) | |||||||
| a -competitive blocker | phenatolamine | Tolazoline (vasodilator) | ||||||
| a-non competitive | Dibenamine | phenoxybenzamide | ||||||