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': 'Which of the following is a topical vit. D analogue? \nSelect and explain. \nA. Cholecalciferol, B. Doxercalciferol, C. Calcipotriol, D. Paricalcitol', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Calcipotriol o Topical calcipotriol (Calcipotriene) is a Vitamin D analogue used in psoriasis.", 'role': 'assistant'}]