Diacetolol-D7 is deuterium-labeled diacetone Roller. Diacetol is the main metabolite of Acetolol. Diacetololβ-adrenoceptor shielding and anti-arrhythmic agent.
(+)-Penbutolol is an antagonist of β-adrenoceptor(IC50 of 0.74 μM). (+)-Penbutolol is an optical isomer of l-penbutolol with Na+ channel-blocking action.