This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharmacokinetics, Subject name: Pharmacology
[{'content': 'Which of the following is NOT a prodrug : \nSelect and explain. \nA. Lisinopril, B. Enalapril, C. Levodopa, D. Sulindac', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' Lisinopril Examples of prodrugProdrugActive form* Levodopa*-Dopamine* Enalapril*-Enalaprilat* Sulindac*-Sulfide metabolite* Becampicillin*-Ampicillin* Sulfasalazine*-5-Aminosalicylic acid* Prednisone*-Prednisolone* Zidovudine-Zidovudine triphosphate* Cyclophosphamide*-AldophosphamideProdrugs offer following advantage over the active form :In being more stableHaving better bioavailabilityLess side effects and toxicity", 'role': 'assistant'}]