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: Biochemistry
[{'content': 'All of the following are vitamers of Vitamin B6, except: \nSelect and explain. \nA. Pyridoxine, B. Pyridoxone, C. Pyridoxal, D. Pyridoxamine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Vitamers:\nThe term vitamers represents the chemically similar substances that possess qualitatively similar vitamin activity.\xa0\nSome good examples of vitamers are given below:\n\nRetinol, retinal and retinoic acid are vitamers of vitamin A.\nPyridoxine, pyridoxal and pyridoxamine are vitamers of vitamin B6.\n\nKey Concept:\nPyridoxine, pyridoxal and pyridoxamine are vitamers of vitamin B6.\nRef : 1- Textbook of Biochemistry, Satyanarayana', 'role': 'assistant'}]