β-ADRENERGIC BLOCKING AGENTS

1. NONSELECTIVE (β1 and β2)
    a. Without intrinsic sympathomimetic activity
                Propranolol
                Sotalol
                Timolol

    b. With intrinsic sympathomimetic activity
                Pindolol

    c. With additional α-blocking property
                Labetalol
                Carvedilol

2. CARDIOSELECTIVE (β1)
                Metoprolol
                Atenolol
                Acebutolol
                Bisoprolol
                Esmolol
                Betaxolol
                Celiprolol
                Nebivolol

GENERATION WISE CLASSIFICATION

1. First Generation (older, nonselective)
                Propranolol
                Timolol
                Sotalol
                Pindolol

 2. Second Generation (β2 selective)
                Metoprolol
                Atenolol
                Acebutolol
                Bisoprolol
                Esmolol

3. Third Generation (with additional α blocking and/ or vasodilator property)
                Labetalol
                Carvedilol
                Celiprolol
                Nabivolol