This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Prostaglandins, Subject name: Pharmacology
[{'content': 'Diazoxiben is a:(2001) \nSelect and explain. \nA. Lipoxygenase inhibitor, B. Prostacyclin synthetase inhibitor, C. Cycloxygenase inhibitor, D. TXA2 inhibitor', 'role': 'user'}, {'content': 'Answer: D \nExplanation: dRef: KDT, 4th ed, p. 613', 'role': 'assistant'}]