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What is the molecular formula of the compound with this IUPAC name methyl 4-[(2R)-2-[[(2S)-2-benzyl-3-tert-butylsulfonylpropanoyl]amino]propyl]-1-(2,4-dinitrophenyl)imidazol-1-ium-1-carboxylate ?
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C28H34N5O9S+
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