<prompt> Laudanosine is a metabolite ofAtracuriumCis AtracuriumPancuroniumVecuronium  <response>: Refer Miller 7e p 880 Both Atracurium and cis-Atracurium are eliminated by Hoffmans elimination Atracurium is also metabolized by liver to some extent and result in production of a metabolite laudanosine that can cause CNS toxicity including seizures 