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 are fibric acid derivatives except - \nSelect and explain. \nA. Clofibrate, B. Gemfibrozil, C. Fenofibrate, D. Lovastatin', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Lovastatin Fibric acid derivatives are clofibrate, gemfibrozil, bezafibrate, fenofibrate.", 'role': 'assistant'}]