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': 'Drug which is useful in neuronal diabetes inspidus in both children and adults given intra nasally - \nSelect and explain. \nA. Vasopressin, B. Desmopressin, C. Lypressin, D. Presselin', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Desmopressin Desmopressin (intranasal) is the DOC for central DI.", 'role': 'assistant'}]