<chemical> 4-[4,4-bis(p-fluorophenyl)butyl]-1-piperazine aceto-2',6'-xylidine. Coronary vasodilator with some antiarrhythmic action. ... Pharmacological action: calcium channel blockers, vasodilator agents. ... Chemical name: 1-Piperazineacetamide, 4-(4,4-bis(4-fluorophenyl)butyl)-N-(2,6-dimethylphenyl)- ... (12 Dec 1998) ...