1) Calcium channel blocker 
<chemical> N-(3,3-diphenylpropyl)-alpha-methylbenzylamine. Coronary vasodilator; inhibits calcium function in muscle cells in excitation-contraction coupling; proposed as antiarrhythmic and antianginal agents. ... Pharmacological action: anti-arrhythmia agents, calcium channel blockers, vasodilator agents. ... Chemical name: Benzenepropanamin...