[{"from": "human", "value": "Please give me some details about this molecule. [C][C][N+1][Branch1][C][C][Branch1][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][Br]"}, {"from": "gpt", "value": "The molecule is used in emergency medicine, cardiology, and other specialties for the acute management of ventricular tachycardia and ventricular fibrillation. The primary mode of action for bretylium is thought to be inhibition of voltage-gated K(+) channels. Recent evidence has shown that bretylium may also inhibit the Na,K-ATPase by binding to the extracellular K-site."}]