<prompt> Maximum duration of action is seen withAtracuriumRocuriumPancuroniumRapacurium  <response>: Non-depolarising blockers : Long acting 50mins : d-Tubocurare, Pancuronium, Doxacurium, Pipecuronium. Intermediate acting 20-50mins : Vecuronium, Atracurium ,Cisatracurium, Rocuronium . Sho acting 20mins : Mivacurium,Rapacuronium. 