Landiolol133242-30-5100 % similar Landiolol hydrochloride144481-98-196 % similar Esmolol81147-92-440 % similar Esmolol hydrochloride81161-17-338 % similar Metoprolol succinate98418-47-435 % similar Metoprolol tartrate56392-17-733 % similar Betaxolol63659-18-733 % similar Metoprolol37350-58-632 % similar Propafenone54063-53-531 % similar Levobetaxolol hcl116209-55-331 % similar Betaxolol hydrochloride63659-19-831 % similar Bisoprolol fumarate104344-23-231 % similar Atenolol29122-68-731 % similar Propafenone hydrochloride34183-22-730 % similar