This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
A patient on atracurium develops seizures due to accumulation of ? 
Select and explain. 
A. Didanosine, B. Laudanosine, C. Methylated Atracurium, D. Sulfated Atracurium
B: Laudanosine
Answer: B: Laudanosine 
Explanation: Ans. is `b' i.e., Laudanosine