<prompt> Which of the following isare not intermediate acting non depolarizing NMB -PancuroniumVecuroniumRocuroniumAtracurium  <response>: Non depolarizing muscle relaxants are classified according to their structure and duration of action as: Stucture Clinical duration Long acting 50 min Intermediate 20-50 min Sho 15-20 min Ultra-sho 10-12 min Steroidal Pancuronium Pipecuronium Vecuronium Rocuronium Benzyliso- quinolinium d-Tubocurarine Metacurine Doxacurium Atracurium Cis-atracurium Mivacurium Onium chlorofumarate Gantacurium Phenolic ether Gallamine 