Cymarin (or cymarine or k-strophanthidin-alpha) is a cardiac glycoside and an anti-arrhythmia and cardiotonic agent. Cymarin works as an inhibitor of Na+ /K+-ATPase . This inhibition has an inotropic effect on the cardiac muscles increasing their force by approximately 100%.

Epithiazide (epithizide) is a diuretic drug. Its combination with Veriloid under the trade name Thiaver was used in the 1960s for the treatment of hypertension.

Urapidil is an anti-hypertensive agent approved in Europe for the treatment of the corresponding disease. The drug acts by activating 5HT1a receptor and inhibiting alpha1-adrenergic receptors.

Ethacizine (ethacyzine) is a class Ic antiarrhythmic agent, related to moracizine. It is used in Russia and some other Commonwealth of Independent States countries for the treatment of severe and/or refractory ventricular and supraventricular arrhythmias, especially those accompanied by organic heart disease. It is also indicated as a treatment of refractory tachycardia associated with Wolff–Parkinson–White syndrome.

Gitoformate (or pentaformylgitoxin), a kidney independent glycoside, was used in patients with atrial fibrillation and in the treatment of congestive heart failure. Information, that this drug is used now is not available.

Tasosartan is a long-acting angiotensin II (AngII) receptor blocker. Tasosartan is infrequently in the treatment of hypertension and heart failure. The manufacturer withdrew it from FDA review after phase III clinical trials showed elevated transaminases. Tasosartan blocks the renin-angiotensin-aldosterone system (RAAS) at the level of the AT1 receptor that mediates most, if not all, of the important actions of Ang II. Tasosartan binds reversibly to the AT1 receptors in vascular smooth muscle and the adrenal gland. As angiotensin II is a vasoconstrictor, which also stimulates the synthesis and release of aldosterone, blockage of its effects results in decreases in systemic vascular resistance.

Benidipine is an orally triple L-, T-, and N-type calcium channel blocker for the treatment of hypertension and angina pectoris synthesized and developed by Kyowa Hakko Kogyo Co., Ltd. Benidipine, approved in Japan in November 1991, has become one of the three best selling CCBs and is highly useful as a potent, long-lasting antihypertensive and antianginal agent.

Lorajmine is a monochloracetyl derivative of ajmaline. It is a class Ia antiarrhythmic agent that is rapidly hydrolyzed to ajmaline by plasma and tissue esterases. Lorajmine was used in the clinic to control arrhythmias. It was found that in a significant proportion of cases administration of lorajmine lead to worsening of arrhythmias.

Hydroquinidine is a pharmaceutical agent that acts as a class I antiarrhythmic agent (Ia) in the heart. Hydroquinidine is a d-rotatory alkaloid derived from cinchiona bark. It is closely related to quinidine, differing from the latter alkaloid only in containing two more atoms of hydrogen in the molecule. The drug causes increased action potential duration, as well as a prolonged QT interval. It is not approved by FDA, but marketed in Spain, France, Italy and Pakistan under the brand names Lentoquine, Sérécor LP, Idrochinidina Lirca and Austacute, respectively. Like all other class I antiarrhythmic agents, Hydroquinidine primarily works by blocking the fast inward sodium current (INa). Hydroquinidine is also used for the treatment of Malaria.