This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anaesthesia, Subject name: Pharmacology
Which of the following is NOT an amide : 
Select and explain. 
A. Procaine, B. Lignocaine, C. Bupivacaine, D. Mepivacaine
A: Procaine
Answer: A: Procaine 
Explanation: Ans. is 'a' i.e. Procaine 61]Explained earlier