An envelope diltiazem verapamil atrial fibrillation Kicking off five years ago in the city was Romée de Goriainoff and his two co-founders with the Experimental Cocktail Club, behind an unmarked curtain on Rue Saint-Sauveur. They have since opened three more clandestine watering holes—Prescription Cocktail Club, Curio Parlour and Beef Club Ballroom (in 2011), the last one next to a steak restaurant and identified only by the queue of effortlessly chic people puffing away outside.