Azimilide 2Hcl(NE-10064 2Hcl) is a class III antiarrhythmic compound, inhibits I(Ks) and I(Kr) in guinea-pig cardiac myocytes and I(Ks) (minK) channels expressed in Xenopus oocytes.

Cariporide is a selective Na+/H+ exchanger isoform 1 (NHE1) inhibitor (IC50 values are 0.05, 3 and 1000 μM for NHE1, NHE3 and NHE2 respectively).

Dronedarone is a Class III antiarrhythmic and a multi-channel blocker for atrial fibrillation. It blocks potassium and sodium and is a calcium channel protein inhibitor.

E-4031 is a benzenesulfonamide antiarrhythmic agent; blocks the ATP-sensitive potassium channel.

Flecainide(Tambocor) is a class 1C antiarrhythmic drug especially used for the management of supraventricular arrhythmia; works by blocking the Nav1.5 sodium channel in the heart, causing prolongation of the cardiac action potential.

Nicainoprolhe is an antiarrhythmic agent,a fast-sodiumchannel blocking drug (class Ib), also protected isolated rat hearts against reperfusion arrhythmias.

Pirmenol hydrochloride inhibits IK.ACh by blocking muscarinic receptors. The IC50 of Pirmenol for inhibition of Carbachol-induced IK.ACh is 0.1 μM.

Vanoxerine 2 Hcl(GBR12909) is a potent and selective DRI (Dopamine reuptake inhibitor).