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Under IUPAC nomenclature, a molecule named 1-[2-ethyl-2-(1-phenylethylamino)butyl]-2-methyl-3-[1-(1,3,5-trimethylpyrazol-4-yl)propan-2-yl]guanidine;hydroiodide is given. What is its corresponding molecular formula?
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C25H43IN6
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