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: Pharmacology
[{'content': 'All of the following are amide class of local anesthetic except \nSelect and explain. \nA. Lignocaine, B. Mepivacaine, C. Prilocaine, D. Chlorprocaine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Chlorprocaine belong ester class of local anesthetics.', 'role': 'assistant'}]