<prompt> Which of the following is beta b2 antagonistic:EsmololBetaxololButoxamineCeliprolol  <response>: Butoxamine: Ref: 125-KDT 136-KDT 6thCLASSIFICATION OF b ADRENERGIC BLOCKING AGENTSNonselectgive b1 and b2Cardio selective b1Selective b2a. without intrinsic sympatho mimetic activity- Propranolol, sotalol, timololMetoprololButoxamine ICI 118551Atenolol Acebutolol b. With intrinsic sympathomimetic activity- PindololBisoprolol Esmolol Betaxolol c. With additional a blocking property Labetalol, carvediololCarvedilol 