A selective calcium channel blockers; a derivative of dihydropyridine; has a vasodilating, antihypertensive, antianginal effect. Has a high selective activity against smooth muscle of the arterioles. Prescribed to the patients with hypertension, angina pectoris (voltage, vasospastic, unstable with the ineffectiveness of beta-blockers and nitrates), Raynaud's syndrome (as a symptomatic drug).