<prompt> Which of the following properties make pyridostigmine different from neostigmine ?It is more potentIt is longer actingIt produces less muscarinic side effectsIt does not have any direct action on NM receptors  <response>: Though less potent than Neostigmine, Pyridostigmine has longer duration of action 3 to 6 hrsDuration of action of neostigmine is 0.5 to 2 hrs. 